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fix issue 20269 (#20274) 

By default, use the nvd score as the primary score, and if it is unavailable, fallback to the redhat score.
fix #20269

Signed-off-by: wang yan <wangyan@vmware.com>
This commit is contained in:
Wang Yan 2024-04-16 16:49:52 +08:00 committed by GitHub
parent 91efec1e2a
commit 550bf1d750
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
2 changed files with 17 additions and 12 deletions
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27
src/pkg/scan/postprocessors/report_converters.go
View File

@ -354,25 +354,28 @@ func (c *nativeToRelationalSchemaConverter) updateReport(ctx context.Context, vu
return report.Mgr.Update(ctx, r, "CriticalCnt", "HighCnt", "MediumCnt", "LowCnt", "NoneCnt", "UnknownCnt", "FixableCnt")
}
// CVSS ...
type CVSS struct {
NVD Nvd `json:"nvd"`
// CVS ...
type CVS struct {
CVSS map[string]map[string]interface{} `json:"CVSS"`
}
// Nvd ...
type Nvd struct {
V3Score float64 `json:"V3Score"`
}
func parseScoreFromVendorAttribute(ctx context.Context, vendorAttribute string) (NvdV3Score float64) {
var data map[string]CVSS
func parseScoreFromVendorAttribute(ctx context.Context, vendorAttribute string) float64 {
var data CVS
err := json.Unmarshal([]byte(vendorAttribute), &data)
if err != nil {
log.G(ctx).Errorf("failed to parse vendor_attribute, error %v", err)
return 0
}
if cvss, ok := data["CVSS"]; ok {
return cvss.NVD.V3Score
// set the nvd as the first priority, if it's unavailable, return the first V3Score available.
if val, ok := data.CVSS["nvd"]["V3Score"]; ok {
return val.(float64)
}
for vendor := range data.CVSS {
if val, ok := data.CVSS[vendor]["V3Score"]; ok {
return val.(float64)
}
}
return 0
}

2
src/pkg/scan/postprocessors/report_converters_test.go
View File

@ -578,6 +578,8 @@ func Test_parseScoreFromVendorAttribute(t *testing.T) {
{"both", args{`{"CVSS":{"nvd":{"V3Score":5.5,"V3Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"redhat":{"V3Score":6.2,"V3Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}}}`}, 5.5},
{"both2", args{`{"CVSS":{"nvd":{"V2Score":7.2,"V2Vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","V3Score":7.8,"V3Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"redhat":{"V3Score":7.8,"V3Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}}`}, 7.8},
{"none", args{`{"CVSS":{"nvd":{"V2Score":7.2,"V2Vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","V3Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"redhat":{"V3Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}}`}, 0},
{"redhatonly", args{`{"CVSS":{"redhat":{"V3Score":8.8, "V3Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}}`}, 8.8},
{"nvdnov3butredhat", args{`{"CVSS":{"nvd":{"V2Score":7.2,"V2Vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C"},"redhat":{"V3Score":7.8,"V3Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}}`}, 7.8},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {