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krel: Support Tempral CVE metrics #2664

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merged 1 commit into from
Sep 14, 2022
Merged

krel: Support Tempral CVE metrics #2664

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27 changes: 19 additions & 8 deletions pkg/cve/cve.go
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Original file line number Diff line number Diff line change
Expand Up @@ -91,14 +91,25 @@ func (cve *CVE) Validate() error {
return errors.New("string CVSS vector missing from CVE data")
}

// Parse the vector string to make sure it is well formed
bm, err := cvss.NewBase().Decode(cve.CVSSVector)
if err != nil {
return fmt.Errorf("parsing CVSS vector string: %w", err)
}
cve.CalcLink = fmt.Sprintf(
"https://www.first.org/cvss/calculator/%s#%s", bm.Ver.String(), cve.CVSSVector,
)
if len(cve.CVSSVector) == 44 {
// Parse the vector string to make sure it is well formed
bm, err := cvss.NewBase().Decode(cve.CVSSVector)
if err != nil {
return fmt.Errorf("parsing CVSS vector string: %w", err)
}
cve.CalcLink = fmt.Sprintf(
"https://www.first.org/cvss/calculator/%s#%s", bm.Ver.String(), cve.CVSSVector,
)
} else {
// Parse the vector string to make sure it is well formed
bm, err := cvss.NewTemporal().Decode(cve.CVSSVector)
if err != nil {
return fmt.Errorf("parsing CVSS vector string: %w", err)
}
cve.CalcLink = fmt.Sprintf(
"https://www.first.org/cvss/calculator/%s#%s", bm.Ver.String(), cve.CVSSVector,
)
}

if cve.CVSSScore == 0 {
return errors.New("missing CVSS score from CVE data")
Expand Down