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https://github.com/aquasecurity/trivy.git
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3be5e6b242
* chore: enable gocritic Signed-off-by: knqyf263 <knqyf263@gmail.com> * refactor: fix lint issues Signed-off-by: knqyf263 <knqyf263@gmail.com> * test: return true for latest versions Signed-off-by: knqyf263 <knqyf263@gmail.com> * chore(lint): enforce map and slice styles Signed-off-by: knqyf263 <knqyf263@gmail.com> --------- Signed-off-by: knqyf263 <knqyf263@gmail.com>
107 lines
3.2 KiB
Go
107 lines
3.2 KiB
Go
package oracle
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import (
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"strings"
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"time"
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version "github.com/knqyf263/go-rpm-version"
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"golang.org/x/xerrors"
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"k8s.io/utils/clock"
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oracleoval "github.com/aquasecurity/trivy-db/pkg/vulnsrc/oracle-oval"
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osver "github.com/aquasecurity/trivy/pkg/detector/ospkg/version"
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ftypes "github.com/aquasecurity/trivy/pkg/fanal/types"
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"github.com/aquasecurity/trivy/pkg/log"
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"github.com/aquasecurity/trivy/pkg/scanner/utils"
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"github.com/aquasecurity/trivy/pkg/types"
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)
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var (
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eolDates = map[string]time.Time{
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// Source:
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// https://www.oracle.com/a/ocom/docs/elsp-lifetime-069338.pdf
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// https://community.oracle.com/docs/DOC-917964
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"3": time.Date(2011, 12, 31, 23, 59, 59, 0, time.UTC),
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"4": time.Date(2013, 12, 31, 23, 59, 59, 0, time.UTC),
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"5": time.Date(2017, 12, 31, 23, 59, 59, 0, time.UTC),
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"6": time.Date(2021, 3, 21, 23, 59, 59, 0, time.UTC),
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"7": time.Date(2024, 7, 23, 23, 59, 59, 0, time.UTC),
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"8": time.Date(2029, 7, 18, 23, 59, 59, 0, time.UTC),
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"9": time.Date(2032, 7, 18, 23, 59, 59, 0, time.UTC),
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}
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)
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// Scanner implements oracle vulnerability scanner
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type Scanner struct {
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vs *oracleoval.VulnSrc
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clock clock.Clock
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}
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// NewScanner is the factory method to return oracle vulnerabilities
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func NewScanner() *Scanner {
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return &Scanner{
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vs: oracleoval.NewVulnSrc(),
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clock: clock.RealClock{},
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}
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}
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func extractKsplice(v string) string {
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subs := strings.Split(strings.ToLower(v), ".")
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for _, s := range subs {
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if strings.HasPrefix(s, "ksplice") {
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return s
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}
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}
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return ""
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}
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// Detect scans and return vulnerability in Oracle scanner
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func (s *Scanner) Detect(osVer string, _ *ftypes.Repository, pkgs []ftypes.Package) ([]types.DetectedVulnerability, error) {
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log.Logger.Info("Detecting Oracle Linux vulnerabilities...")
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osVer = osver.Major(osVer)
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log.Logger.Debugf("Oracle Linux: os version: %s", osVer)
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log.Logger.Debugf("Oracle Linux: the number of packages: %d", len(pkgs))
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var vulns []types.DetectedVulnerability
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for _, pkg := range pkgs {
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advisories, err := s.vs.Get(osVer, pkg.Name)
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if err != nil {
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return nil, xerrors.Errorf("failed to get Oracle Linux advisory: %w", err)
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}
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installed := utils.FormatVersion(pkg)
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installedVersion := version.NewVersion(installed)
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for _, adv := range advisories {
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// when one of them doesn't have ksplice, we'll also skip it
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// extract kspliceX and compare it with kspliceY in advisories
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// if kspliceX and kspliceY are different, we will skip the advisory
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if extractKsplice(adv.FixedVersion) != extractKsplice(pkg.Release) {
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continue
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}
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fixedVersion := version.NewVersion(adv.FixedVersion)
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vuln := types.DetectedVulnerability{
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VulnerabilityID: adv.VulnerabilityID,
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PkgID: pkg.ID,
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PkgName: pkg.Name,
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InstalledVersion: installed,
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PkgRef: pkg.Ref,
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Layer: pkg.Layer,
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Custom: adv.Custom,
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DataSource: adv.DataSource,
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}
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if installedVersion.LessThan(fixedVersion) {
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vuln.FixedVersion = adv.FixedVersion
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vulns = append(vulns, vuln)
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}
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}
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}
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return vulns, nil
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}
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// IsSupportedVersion checks if the version is supported.
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func (s *Scanner) IsSupportedVersion(osFamily ftypes.OSType, osVer string) bool {
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return osver.Supported(s.clock, eolDates, osFamily, osver.Major(osVer))
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}
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