787604de6a
* fix(suse): fix openSUSE, openSUSE Leap scan * docs: update README * fix: unknown CveContent.Type * fix: tui reporting * fix: listening port was duplicated in format-full-text * fix .gitignore * fix: add EOL data for SLES12.5 Co-authored-by: Kota Kanbe <kotakanbe@gmail.com>
386 lines
9.7 KiB
Go
386 lines
9.7 KiB
Go
//go:build !scanner
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// +build !scanner
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package oval
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import (
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"fmt"
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"strings"
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"github.com/future-architect/vuls/config"
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"github.com/future-architect/vuls/constant"
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"github.com/future-architect/vuls/logging"
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"github.com/future-architect/vuls/models"
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ovalmodels "github.com/vulsio/goval-dictionary/models"
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)
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// RedHatBase is the base struct for RedHat, CentOS, Alma, Rocky and Fedora
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type RedHatBase struct {
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Base
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}
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// FillWithOval returns scan result after updating CVE info by OVAL
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func (o RedHatBase) FillWithOval(r *models.ScanResult) (nCVEs int, err error) {
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var relatedDefs ovalResult
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if o.Cnf.IsFetchViaHTTP() {
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if relatedDefs, err = getDefsByPackNameViaHTTP(r, o.Cnf.GetURL()); err != nil {
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return 0, err
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}
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} else {
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driver, err := newOvalDB(o.Cnf)
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if err != nil {
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return 0, err
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}
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defer func() {
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if err := driver.CloseDB(); err != nil {
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logging.Log.Errorf("Failed to close DB. err: %+v", err)
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}
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}()
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if relatedDefs, err = getDefsByPackNameFromOvalDB(driver, r); err != nil {
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return 0, err
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}
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}
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relatedDefs.Sort()
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for _, defPacks := range relatedDefs.entries {
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nCVEs += o.update(r, defPacks)
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}
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for _, vuln := range r.ScannedCves {
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switch models.NewCveContentType(o.family) {
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case models.RedHat:
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if conts, ok := vuln.CveContents[models.RedHat]; ok {
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for i, cont := range conts {
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cont.SourceLink = "https://access.redhat.com/security/cve/" + cont.CveID
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vuln.CveContents[models.RedHat][i] = cont
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}
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}
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case models.Fedora:
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for _, d := range vuln.DistroAdvisories {
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if conts, ok := vuln.CveContents[models.Fedora]; ok {
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for i, cont := range conts {
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cont.SourceLink = "https://bodhi.fedoraproject.org/updates/" + d.AdvisoryID
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vuln.CveContents[models.Fedora][i] = cont
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}
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}
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}
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case models.Oracle:
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if conts, ok := vuln.CveContents[models.Oracle]; ok {
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for i, cont := range conts {
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cont.SourceLink = fmt.Sprintf("https://linux.oracle.com/cve/%s.html", cont.CveID)
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vuln.CveContents[models.Oracle][i] = cont
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}
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}
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case models.Amazon:
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for _, d := range vuln.DistroAdvisories {
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if conts, ok := vuln.CveContents[models.Amazon]; ok {
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for i, cont := range conts {
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if strings.HasPrefix(d.AdvisoryID, "ALAS2022-") {
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cont.SourceLink = fmt.Sprintf("https://alas.aws.amazon.com/AL2022/%s.html", strings.ReplaceAll(d.AdvisoryID, "ALAS2022", "ALAS"))
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} else if strings.HasPrefix(d.AdvisoryID, "ALAS2-") {
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cont.SourceLink = fmt.Sprintf("https://alas.aws.amazon.com/AL2/%s.html", strings.ReplaceAll(d.AdvisoryID, "ALAS2", "ALAS"))
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} else if strings.HasPrefix(d.AdvisoryID, "ALAS-") {
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cont.SourceLink = fmt.Sprintf("https://alas.aws.amazon.com/%s.html", d.AdvisoryID)
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}
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vuln.CveContents[models.Amazon][i] = cont
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}
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}
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}
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}
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}
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return nCVEs, nil
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}
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var kernelRelatedPackNames = map[string]bool{
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"kernel": true,
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"kernel-aarch64": true,
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"kernel-abi-whitelists": true,
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"kernel-bootwrapper": true,
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"kernel-debug": true,
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"kernel-debug-devel": true,
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"kernel-devel": true,
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"kernel-doc": true,
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"kernel-headers": true,
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"kernel-kdump": true,
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"kernel-kdump-devel": true,
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"kernel-rt": true,
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"kernel-rt-debug": true,
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"kernel-rt-debug-devel": true,
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"kernel-rt-debug-kvm": true,
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"kernel-rt-devel": true,
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"kernel-rt-doc": true,
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"kernel-rt-kvm": true,
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"kernel-rt-trace": true,
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"kernel-rt-trace-devel": true,
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"kernel-rt-trace-kvm": true,
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"kernel-rt-virt": true,
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"kernel-rt-virt-devel": true,
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"kernel-tools": true,
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"kernel-tools-libs": true,
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"kernel-tools-libs-devel": true,
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"kernel-uek": true,
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"perf": true,
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"python-perf": true,
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}
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func (o RedHatBase) update(r *models.ScanResult, defpacks defPacks) (nCVEs int) {
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for _, cve := range defpacks.def.Advisory.Cves {
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ovalContent := o.convertToModel(cve.CveID, &defpacks.def)
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if ovalContent == nil {
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continue
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}
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vinfo, ok := r.ScannedCves[cve.CveID]
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if !ok {
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logging.Log.Debugf("%s is newly detected by OVAL: DefID: %s", cve.CveID, defpacks.def.DefinitionID)
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vinfo = models.VulnInfo{
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CveID: cve.CveID,
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Confidences: models.Confidences{models.OvalMatch},
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CveContents: models.NewCveContents(*ovalContent),
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}
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nCVEs++
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} else {
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cveContents := vinfo.CveContents
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if v, ok := vinfo.CveContents[ovalContent.Type]; ok {
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for _, vv := range v {
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if vv.LastModified.After(ovalContent.LastModified) {
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logging.Log.Debugf("%s ignored. DefID: %s ", cve.CveID, defpacks.def.DefinitionID)
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} else {
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logging.Log.Debugf("%s OVAL will be overwritten. DefID: %s", cve.CveID, defpacks.def.DefinitionID)
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}
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}
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} else {
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logging.Log.Debugf("%s also detected by OVAL. DefID: %s", cve.CveID, defpacks.def.DefinitionID)
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cveContents = models.CveContents{}
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}
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vinfo.Confidences.AppendIfMissing(models.OvalMatch)
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cveContents[ovalContent.Type] = []models.CveContent{*ovalContent}
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vinfo.CveContents = cveContents
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}
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vinfo.DistroAdvisories.AppendIfMissing(
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o.convertToDistroAdvisory(&defpacks.def))
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// uniq(vinfo.AffectedPackages[].Name + defPacks.binpkgFixstat(map[string(=package name)]fixStat{}))
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collectBinpkgFixstat := defPacks{
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binpkgFixstat: map[string]fixStat{},
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}
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for packName, fixStatus := range defpacks.binpkgFixstat {
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collectBinpkgFixstat.binpkgFixstat[packName] = fixStatus
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}
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for _, pack := range vinfo.AffectedPackages {
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if stat, ok := collectBinpkgFixstat.binpkgFixstat[pack.Name]; !ok {
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collectBinpkgFixstat.binpkgFixstat[pack.Name] = fixStat{
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notFixedYet: pack.NotFixedYet,
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fixedIn: pack.FixedIn,
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}
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} else if stat.notFixedYet {
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collectBinpkgFixstat.binpkgFixstat[pack.Name] = fixStat{
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notFixedYet: true,
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fixedIn: pack.FixedIn,
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}
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}
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}
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vinfo.AffectedPackages = collectBinpkgFixstat.toPackStatuses()
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vinfo.AffectedPackages.Sort()
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r.ScannedCves[cve.CveID] = vinfo
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}
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return
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}
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func (o RedHatBase) convertToDistroAdvisory(def *ovalmodels.Definition) *models.DistroAdvisory {
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advisoryID := def.Title
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switch o.family {
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case constant.RedHat, constant.CentOS, constant.Alma, constant.Rocky, constant.Oracle:
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if def.Title != "" {
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ss := strings.Fields(def.Title)
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advisoryID = strings.TrimSuffix(ss[0], ":")
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}
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}
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return &models.DistroAdvisory{
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AdvisoryID: advisoryID,
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Severity: def.Advisory.Severity,
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Issued: def.Advisory.Issued,
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Updated: def.Advisory.Updated,
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Description: def.Description,
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}
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}
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func (o RedHatBase) convertToModel(cveID string, def *ovalmodels.Definition) *models.CveContent {
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refs := make([]models.Reference, 0, len(def.References))
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for _, r := range def.References {
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refs = append(refs, models.Reference{
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Link: r.RefURL,
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Source: r.Source,
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RefID: r.RefID,
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})
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}
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for _, cve := range def.Advisory.Cves {
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if cve.CveID != cveID {
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continue
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}
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score2, vec2 := parseCvss2(cve.Cvss2)
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score3, vec3 := parseCvss3(cve.Cvss3)
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sev2, sev3, severity := "", "", def.Advisory.Severity
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if cve.Impact != "" {
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severity = cve.Impact
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}
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if severity != "None" {
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sev3 = severity
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if score2 != 0 {
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sev2 = severity
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}
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}
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// CWE-ID in RedHat OVAL may have multiple cweIDs separated by space
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cwes := strings.Fields(cve.Cwe)
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return &models.CveContent{
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Type: models.NewCveContentType(o.family),
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CveID: cve.CveID,
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Title: def.Title,
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Summary: def.Description,
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Cvss2Score: score2,
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Cvss2Vector: vec2,
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Cvss2Severity: sev2,
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Cvss3Score: score3,
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Cvss3Vector: vec3,
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Cvss3Severity: sev3,
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References: refs,
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CweIDs: cwes,
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Published: def.Advisory.Issued,
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LastModified: def.Advisory.Updated,
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}
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}
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return nil
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}
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// RedHat is the interface for RedhatBase OVAL
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type RedHat struct {
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RedHatBase
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}
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// NewRedhat creates OVAL client for Redhat
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func NewRedhat(cnf config.VulnDictInterface) RedHat {
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return RedHat{
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RedHatBase{
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Base{
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family: constant.RedHat,
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Cnf: cnf,
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},
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},
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}
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}
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// CentOS is the interface for CentOS OVAL
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type CentOS struct {
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RedHatBase
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}
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// NewCentOS creates OVAL client for CentOS
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func NewCentOS(cnf config.VulnDictInterface) CentOS {
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return CentOS{
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RedHatBase{
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Base{
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family: constant.CentOS,
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Cnf: cnf,
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},
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},
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}
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}
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// Oracle is the interface for Oracle OVAL
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type Oracle struct {
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RedHatBase
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}
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// NewOracle creates OVAL client for Oracle
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func NewOracle(cnf config.VulnDictInterface) Oracle {
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return Oracle{
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RedHatBase{
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Base{
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family: constant.Oracle,
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Cnf: cnf,
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},
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},
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}
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}
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// Amazon is the interface for RedhatBase OVAL
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type Amazon struct {
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// Base
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RedHatBase
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}
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// NewAmazon creates OVAL client for Amazon Linux
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func NewAmazon(cnf config.VulnDictInterface) Amazon {
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return Amazon{
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RedHatBase{
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Base{
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family: constant.Amazon,
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Cnf: cnf,
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},
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},
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}
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}
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// Alma is the interface for RedhatBase OVAL
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type Alma struct {
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// Base
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RedHatBase
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}
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// NewAlma creates OVAL client for Alma Linux
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func NewAlma(cnf config.VulnDictInterface) Alma {
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return Alma{
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RedHatBase{
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Base{
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family: constant.Alma,
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Cnf: cnf,
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},
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},
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}
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}
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// Rocky is the interface for RedhatBase OVAL
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type Rocky struct {
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// Base
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RedHatBase
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}
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// NewRocky creates OVAL client for Rocky Linux
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func NewRocky(cnf config.VulnDictInterface) Rocky {
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return Rocky{
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RedHatBase{
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Base{
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family: constant.Rocky,
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Cnf: cnf,
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},
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},
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}
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}
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// Fedora is the interface for RedhatBase OVAL
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type Fedora struct {
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// Base
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RedHatBase
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}
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// NewFedora creates OVAL client for Fedora Linux
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func NewFedora(cnf config.VulnDictInterface) Fedora {
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return Fedora{
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RedHatBase{
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Base{
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family: constant.Fedora,
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Cnf: cnf,
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},
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},
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}
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}
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