330 lines
8.3 KiB
Go
330 lines
8.3 KiB
Go
/* Vuls - Vulnerability Scanner
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Copyright (C) 2016 Future Architect, Inc. Japan.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package report
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import (
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"bytes"
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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/models"
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"github.com/gosuri/uitable"
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)
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func toPlainText(scanResult models.ScanResult) (string, error) {
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serverInfo := scanResult.ServerInfo()
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var buffer bytes.Buffer
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for i := 0; i < len(serverInfo); i++ {
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buffer.WriteString("=")
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}
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header := fmt.Sprintf("%s\n%s", serverInfo, buffer.String())
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if len(scanResult.KnownCves) == 0 && len(scanResult.UnknownCves) == 0 {
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return fmt.Sprintf(`
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%s
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No unsecure packages.
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`, header), nil
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}
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summary := ToPlainTextSummary(scanResult)
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scoredReport, unscoredReport := []string{}, []string{}
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scoredReport, unscoredReport = toPlainTextDetails(scanResult, scanResult.Family)
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scored := strings.Join(scoredReport, "\n\n")
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unscored := strings.Join(unscoredReport, "\n\n")
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detail := fmt.Sprintf(`
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%s
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%s
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`,
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scored,
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unscored,
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)
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text := fmt.Sprintf("%s\n%s\n%s\n", header, summary, detail)
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return text, nil
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}
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// ToPlainTextSummary format summary for plain text.
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func ToPlainTextSummary(r models.ScanResult) string {
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stable := uitable.New()
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stable.MaxColWidth = 84
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stable.Wrap = true
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cves := append(r.KnownCves, r.UnknownCves...)
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for _, d := range cves {
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var scols []string
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switch {
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case config.Conf.Lang == "ja" &&
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d.CveDetail.Jvn.ID != 0 &&
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0 < d.CveDetail.CvssScore("ja"):
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summary := d.CveDetail.Jvn.Title
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scols = []string{
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d.CveDetail.CveID,
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fmt.Sprintf("%-4.1f (%s)",
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d.CveDetail.CvssScore(config.Conf.Lang),
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d.CveDetail.Jvn.Severity,
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),
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summary,
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}
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case 0 < d.CveDetail.CvssScore("en"):
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summary := d.CveDetail.Nvd.Summary
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scols = []string{
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d.CveDetail.CveID,
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fmt.Sprintf("%-4.1f",
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d.CveDetail.CvssScore(config.Conf.Lang),
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),
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summary,
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}
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default:
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scols = []string{
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d.CveDetail.CveID,
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"?",
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d.CveDetail.Nvd.Summary,
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}
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}
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cols := make([]interface{}, len(scols))
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for i := range cols {
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cols[i] = scols[i]
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}
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stable.AddRow(cols...)
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}
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return fmt.Sprintf("%s", stable)
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}
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//TODO Distro Advisory
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func toPlainTextDetails(data models.ScanResult, osFamily string) (scoredReport, unscoredReport []string) {
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for _, cve := range data.KnownCves {
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switch config.Conf.Lang {
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case "en":
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if cve.CveDetail.Nvd.ID != 0 {
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scoredReport = append(
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scoredReport, toPlainTextDetailsLangEn(cve, osFamily))
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} else {
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scoredReport = append(
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scoredReport, toPlainTextUnknownCve(cve, osFamily))
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}
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case "ja":
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if cve.CveDetail.Jvn.ID != 0 {
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scoredReport = append(
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scoredReport, toPlainTextDetailsLangJa(cve, osFamily))
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} else if cve.CveDetail.Nvd.ID != 0 {
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scoredReport = append(
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scoredReport, toPlainTextDetailsLangEn(cve, osFamily))
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} else {
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scoredReport = append(
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scoredReport, toPlainTextUnknownCve(cve, osFamily))
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}
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}
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}
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for _, cve := range data.UnknownCves {
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unscoredReport = append(
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unscoredReport, toPlainTextUnknownCve(cve, osFamily))
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}
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return
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}
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func toPlainTextUnknownCve(cveInfo models.CveInfo, osFamily string) string {
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cveID := cveInfo.CveDetail.CveID
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dtable := uitable.New()
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dtable.MaxColWidth = 100
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dtable.Wrap = true
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dtable.AddRow(cveID)
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dtable.AddRow("-------------")
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dtable.AddRow("Score", "?")
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dtable.AddRow("NVD",
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fmt.Sprintf("%s?vulnId=%s", nvdBaseURL, cveID))
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dtable.AddRow("CVE Details",
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fmt.Sprintf("%s/%s", cveDetailsBaseURL, cveID))
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dlinks := distroLinks(cveInfo, osFamily)
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for _, link := range dlinks {
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dtable.AddRow(link.title, link.url)
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}
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return fmt.Sprintf("%s", dtable)
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}
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func toPlainTextDetailsLangJa(cveInfo models.CveInfo, osFamily string) string {
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cveDetail := cveInfo.CveDetail
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cveID := cveDetail.CveID
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jvn := cveDetail.Jvn
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dtable := uitable.New()
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//TODO resize
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dtable.MaxColWidth = 100
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dtable.Wrap = true
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dtable.AddRow(cveID)
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dtable.AddRow("-------------")
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if score := cveDetail.Jvn.CvssScore(); 0 < score {
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dtable.AddRow("Score",
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fmt.Sprintf("%4.1f (%s)",
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cveDetail.Jvn.CvssScore(),
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jvn.Severity,
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))
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} else {
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dtable.AddRow("Score", "?")
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}
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dtable.AddRow("Vector", jvn.Vector)
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dtable.AddRow("Title", jvn.Title)
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dtable.AddRow("Description", jvn.Summary)
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dtable.AddRow("JVN", jvn.Link())
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dtable.AddRow("NVD", fmt.Sprintf("%s?vulnId=%s", nvdBaseURL, cveID))
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dtable.AddRow("MITRE", fmt.Sprintf("%s%s", mitreBaseURL, cveID))
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dtable.AddRow("CVE Details", fmt.Sprintf("%s/%s", cveDetailsBaseURL, cveID))
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dtable.AddRow("CVSS Claculator", cveDetail.CvssV2CalculatorLink("ja"))
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dlinks := distroLinks(cveInfo, osFamily)
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for _, link := range dlinks {
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dtable.AddRow(link.title, link.url)
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}
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dtable = addPackageInfos(dtable, cveInfo.Packages)
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dtable = addCpeNames(dtable, cveInfo.CpeNames)
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return fmt.Sprintf("%s", dtable)
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}
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func toPlainTextDetailsLangEn(d models.CveInfo, osFamily string) string {
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cveDetail := d.CveDetail
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cveID := cveDetail.CveID
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nvd := cveDetail.Nvd
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dtable := uitable.New()
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//TODO resize
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dtable.MaxColWidth = 100
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dtable.Wrap = true
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dtable.AddRow(cveID)
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dtable.AddRow("-------------")
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if score := cveDetail.Nvd.CvssScore(); 0 < score {
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dtable.AddRow("Score",
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fmt.Sprintf("%4.1f (%s)",
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cveDetail.Nvd.CvssScore(),
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nvd.Severity(),
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))
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} else {
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dtable.AddRow("Score", "?")
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}
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dtable.AddRow("Vector", nvd.CvssVector())
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dtable.AddRow("Summary", nvd.Summary)
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dtable.AddRow("NVD", fmt.Sprintf("%s?vulnId=%s", nvdBaseURL, cveID))
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dtable.AddRow("MITRE", fmt.Sprintf("%s%s", mitreBaseURL, cveID))
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dtable.AddRow("CVE Details", fmt.Sprintf("%s/%s", cveDetailsBaseURL, cveID))
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dtable.AddRow("CVSS Claculator", cveDetail.CvssV2CalculatorLink("en"))
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links := distroLinks(d, osFamily)
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for _, link := range links {
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dtable.AddRow(link.title, link.url)
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}
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dtable = addPackageInfos(dtable, d.Packages)
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dtable = addCpeNames(dtable, d.CpeNames)
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return fmt.Sprintf("%s\n", dtable)
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}
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type distroLink struct {
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title string
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url string
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}
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// addVendorSite add Vendor site of the CVE to table
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func distroLinks(cveInfo models.CveInfo, osFamily string) []distroLink {
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cveID := cveInfo.CveDetail.CveID
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switch osFamily {
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case "rhel", "centos":
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links := []distroLink{
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{
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"RHEL-CVE",
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fmt.Sprintf("%s/%s", redhatSecurityBaseURL, cveID),
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},
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}
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for _, advisory := range cveInfo.DistroAdvisories {
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aidURL := strings.Replace(advisory.AdvisoryID, ":", "-", -1)
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links = append(links, distroLink{
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// "RHEL-errata",
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advisory.AdvisoryID,
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fmt.Sprintf(redhatRHSABaseBaseURL, aidURL),
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})
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}
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return links
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case "amazon":
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links := []distroLink{
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{
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"RHEL-CVE",
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fmt.Sprintf("%s/%s", redhatSecurityBaseURL, cveID),
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},
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}
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for _, advisory := range cveInfo.DistroAdvisories {
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links = append(links, distroLink{
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// "Amazon-ALAS",
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advisory.AdvisoryID,
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fmt.Sprintf(amazonSecurityBaseURL, advisory.AdvisoryID),
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})
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}
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return links
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case "ubuntu":
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return []distroLink{
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{
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"Ubuntu-CVE",
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fmt.Sprintf("%s/%s", ubuntuSecurityBaseURL, cveID),
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},
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//TODO Ubuntu USN
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}
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case "debian":
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return []distroLink{
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{
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"Debian-CVE",
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fmt.Sprintf("%s/%s", debianTrackerBaseURL, cveID),
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},
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// TODO Debian dsa
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}
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default:
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return []distroLink{}
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}
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}
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//TODO
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// addPackageInfos add package information related the CVE to table
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func addPackageInfos(table *uitable.Table, packs []models.PackageInfo) *uitable.Table {
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for i, p := range packs {
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var title string
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if i == 0 {
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title = "Package/CPE"
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}
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ver := fmt.Sprintf(
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"%s -> %s", p.ToStringCurrentVersion(), p.ToStringNewVersion())
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table.AddRow(title, ver)
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}
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return table
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}
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func addCpeNames(table *uitable.Table, names []models.CpeName) *uitable.Table {
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for _, p := range names {
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table.AddRow("CPE", fmt.Sprintf("%s", p.Name))
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}
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return table
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}
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