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/* 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 gost |
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import ( |
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"encoding/json" |
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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/future-architect/vuls/util" |
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"github.com/knqyf263/gost/db" |
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gostmodels "github.com/knqyf263/gost/models" |
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) |
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// Debian is Gost client for Debian GNU/Linux |
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type Debian struct { |
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Base |
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} |
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type packCves struct { |
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packName string |
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isSrcPack bool |
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cves []models.CveContent |
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} |
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// FillWithGost fills cve information that has in Gost |
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func (deb Debian) FillWithGost(driver db.DB, r *models.ScanResult) (nCVEs int, err error) { |
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linuxImage := "linux-image-" + r.RunningKernel.Release |
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// Add linux and set the version of running kernel to search OVAL. |
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if r.Container.ContainerID == "" { |
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newVer := "" |
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if p, ok := r.Packages[linuxImage]; ok { |
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newVer = p.NewVersion |
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} |
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r.Packages["linux"] = models.Package{ |
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Name: "linux", |
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Version: r.RunningKernel.Version, |
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NewVersion: newVer, |
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} |
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} |
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packCvesList := []packCves{} |
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if config.Conf.Gost.IsFetchViaHTTP() { |
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url, _ := util.URLPathJoin(config.Conf.Gost.URL, "debian", major(r.Release), "pkgs") |
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responses, err := getAllUnfixedCvesViaHTTP(r, url) |
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if err != nil { |
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return 0, err |
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} |
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for _, res := range responses { |
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debCves := map[string]gostmodels.DebianCVE{} |
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if err := json.Unmarshal([]byte(res.json), &debCves); err != nil { |
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return 0, err |
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} |
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cves := []models.CveContent{} |
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for _, debcve := range debCves { |
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cves = append(cves, *deb.ConvertToModel(&debcve)) |
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} |
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packCvesList = append(packCvesList, packCves{ |
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packName: res.request.packName, |
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isSrcPack: res.request.isSrcPack, |
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cves: cves, |
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}) |
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} |
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} else { |
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if driver == nil { |
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return 0, nil |
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} |
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for _, pack := range r.Packages { |
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cveDebs := driver.GetUnfixedCvesDebian(major(r.Release), pack.Name) |
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cves := []models.CveContent{} |
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for _, cveDeb := range cveDebs { |
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cves = append(cves, *deb.ConvertToModel(&cveDeb)) |
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} |
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packCvesList = append(packCvesList, packCves{ |
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packName: pack.Name, |
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isSrcPack: false, |
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cves: cves, |
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}) |
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} |
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// SrcPack |
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for _, pack := range r.SrcPackages { |
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cveDebs := driver.GetUnfixedCvesDebian(major(r.Release), pack.Name) |
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cves := []models.CveContent{} |
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for _, cveDeb := range cveDebs { |
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cves = append(cves, *deb.ConvertToModel(&cveDeb)) |
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} |
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packCvesList = append(packCvesList, packCves{ |
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packName: pack.Name, |
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isSrcPack: true, |
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cves: cves, |
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}) |
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} |
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} |
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delete(r.Packages, "linux") |
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for _, p := range packCvesList { |
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for _, cve := range p.cves { |
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v, ok := r.ScannedCves[cve.CveID] |
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if ok { |
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if v.CveContents == nil { |
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v.CveContents = models.NewCveContents(cve) |
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} else { |
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v.CveContents[models.DebianSecurityTracker] = cve |
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} |
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} else { |
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v = models.VulnInfo{ |
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CveID: cve.CveID, |
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CveContents: models.NewCveContents(cve), |
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Confidences: models.Confidences{models.DebianSecurityTrackerMatch}, |
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} |
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nCVEs++ |
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} |
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names := []string{} |
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if p.isSrcPack { |
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if srcPack, ok := r.SrcPackages[p.packName]; ok { |
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for _, binName := range srcPack.BinaryNames { |
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if _, ok := r.Packages[binName]; ok { |
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names = append(names, binName) |
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} |
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} |
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} |
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} else { |
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if p.packName == "linux" { |
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names = append(names, linuxImage) |
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} else { |
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names = append(names, p.packName) |
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} |
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} |
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for _, name := range names { |
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v.AffectedPackages = v.AffectedPackages.Store(models.PackageFixStatus{ |
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Name: name, |
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FixState: "open", |
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NotFixedYet: true, |
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}) |
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} |
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r.ScannedCves[cve.CveID] = v |
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} |
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} |
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return nCVEs, nil |
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} |
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// ConvertToModel converts gost model to vuls model |
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func (deb Debian) ConvertToModel(cve *gostmodels.DebianCVE) *models.CveContent { |
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severity := "" |
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for _, p := range cve.Package { |
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for _, r := range p.Release { |
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severity = r.Urgency |
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break |
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} |
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} |
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return &models.CveContent{ |
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Type: models.DebianSecurityTracker, |
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CveID: cve.CveID, |
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Summary: cve.Description, |
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Cvss2Severity: severity, |
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Cvss3Severity: severity, |
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SourceLink: "https://security-tracker.debian.org/tracker/" + cve.CveID, |
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Optional: map[string]string{ |
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"attack range": cve.Scope, |
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}, |
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} |
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} |
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future-architect /
vuls
