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vulnsrc: Add CVSS scores to output in addition to vectors #48

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merged 9 commits into from
Jun 16, 2020
Merged

vulnsrc: Add CVSS scores to output in addition to vectors #48

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ff47da2
vulnsrc: Add CVSS scores to output in addition to vectors
simar7 May 27, 2020
3d3689f
pkg: Add ubuntu as a source
simar7 May 27, 2020
53c090d
types: Re-organize CVSS information for vectors and score.
simar7 May 28, 2020
68f7321
Revert "types: Re-organize CVSS information for vectors and score."
simar7 Jun 1, 2020
9199281
types: Introduce CVSSScore as a struct to keep backwards compat.
simar7 Jun 1, 2020
68202ab
types: reorganize CVSS information
simar7 Jun 10, 2020
febb18e
Include VendorVectors for backwards compat.
simar7 Jun 11, 2020
2e0299e
vulnsrc: Include VendorVectors info for backwards compat.
simar7 Jun 12, 2020
1472967
types: s/V{2,3}/V{2,3}Vector/g
simar7 Jun 15, 2020
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6 changes: 4 additions & 2 deletions pkg/types/types.go
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Expand Up @@ -12,8 +12,10 @@ type Severity int
type VendorSeverity map[string]Severity

type CVSSVector struct {
V2 string `json:"v2,omitempty"`
V3 string `json:"v3,omitempty"`
V2 string `json:"v2,omitempty"`
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V2Score float64 `json:"v2_score,omitempty"`
V3 string `json:"v3,omitempty"`
V3Score float64 `json:"v3_score,omitempty"`
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}
type VendorVectors map[string]CVSSVector

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6 changes: 3 additions & 3 deletions pkg/vulnsrc/nvd/types.go
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Expand Up @@ -30,16 +30,16 @@ type BaseMetricV2 struct {
}

type CvssV2 struct {
BaseScore float64
VectorString string `json:"vectorString"`
BaseScore float64 `json:"baseScore"`
VectorString string `json:"vectorString"`
}

type BaseMetricV3 struct {
CvssV3 CvssV3
}

type CvssV3 struct {
BaseScore float64
BaseScore float64 `json:"baseScore"`
BaseSeverity string
VectorString string `json:"vectorString"`
}
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10 changes: 6 additions & 4 deletions pkg/vulnsrc/vulnerability/vulnerability.go
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Expand Up @@ -11,7 +11,7 @@ import (
)

var (
sources = []string{Nvd, RedHat, Debian, DebianOVAL, Alpine, Amazon, OracleOVAL, SuseCVRF, Photon,
sources = []string{Nvd, RedHat, Debian, DebianOVAL, Ubuntu, Alpine, Amazon, OracleOVAL, SuseCVRF, Photon,
RubySec, RustSec, PhpSecurityAdvisories, NodejsSecurityWg, PythonSafetyDB,
GHSAComposer, GHSAMaven, GHSANpm, GHSANuget, GHSAPip, GHSARubygems}
)
Expand All @@ -36,12 +36,14 @@ func GetDetail(vulnID string) (types.Severity, types.VendorSeverity, types.Vendo
func getVendorVectors(details map[string]types.VulnerabilityDetail) types.VendorVectors {
vv := make(types.VendorVectors)
for vendor, detail := range details {
if detail.CvssVector == "" && detail.CvssVectorV3 == "" {
if (detail.CvssVector == "" || detail.CvssScore == 0) && (detail.CvssVectorV3 == "" || detail.CvssScoreV3 == 0) {
continue
}
vv[vendor] = types.CVSSVector{
V2: detail.CvssVector,
V3: detail.CvssVectorV3,
V2: detail.CvssVector,
V2Score: detail.CvssScore,
V3: detail.CvssVectorV3,
V3Score: detail.CvssScoreV3,
}
}
return vv
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41 changes: 37 additions & 4 deletions pkg/vulnsrc/vulnerability/vulnerability_test.go
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Expand Up @@ -37,7 +37,6 @@ func TestGetDetail(t *testing.T) {
},
Ubuntu: {
ID: "CVE-2020-1234",
CvssScore: 1.2,
CvssScoreV3: 3.4,
CvssVectorV3: "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
Severity: types.SeverityLow,
Expand All @@ -63,11 +62,14 @@ func TestGetDetail(t *testing.T) {
expectedVendorSeverity: types.VendorSeverity{"redhat": 4, "ubuntu": 1, "rust-advisory-db": 4},
expectedVendorVectors: types.VendorVectors{
RedHat: types.CVSSVector{
V2: "AV:N/AC:M/Au:N/C:N/I:P/A:N",
V3: "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
V2: "AV:N/AC:M/Au:N/C:N/I:P/A:N",
V2Score: 4.2,
V3: "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
V3Score: 5.6,
},
Ubuntu: types.CVSSVector{
V3: "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
V3: "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
V3Score: 3.4,
},
},
expectedTitle: "test vulnerability",
Expand Down Expand Up @@ -107,6 +109,37 @@ func TestGetDetail(t *testing.T) {
expectedTitle: "test vulnerability",
expectedDescription: "a test vulnerability where vendor rates it lower than NVD",
},
{
name: "happy path, classifications for redhat (only CVSSv3), ubuntu and nodejs with variety vectors but no scores",
getVulnerabilityDetailFunc: func(cveID string) (m map[string]types.VulnerabilityDetail, err error) {
return map[string]types.VulnerabilityDetail{
RedHat: {
ID: "CVE-2020-1234",
CvssVector: "AV:N/AC:M/Au:N/C:N/I:P/A:N",
CvssVectorV3: "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
Title: "test vulnerability",
Description: "a test vulnerability where vendor rates it lower than NVD",
},
Ubuntu: {
ID: "CVE-2020-1234",
Severity: types.SeverityLow,
SeverityV3: types.SeverityMedium,
Title: "test vulnerability",
Description: "a test vulnerability where vendor rates it lower than NVD",
},
NodejsSecurityWg: {
ID: "CVE-2020-1234",
Title: "test vulnerability",
Description: "a test vulnerability where vendor rates it lower than NVD",
},
}, nil
},
expectedSeverity: types.SeverityLow,
expectedVendorSeverity: types.VendorSeverity{"ubuntu": 1},
expectedVendorVectors: types.VendorVectors{},
expectedTitle: "test vulnerability",
expectedDescription: "a test vulnerability where vendor rates it lower than NVD",
},
{
name: "sad path, getVulnerabilityDetailFunc returns an error",
getVulnerabilityDetailFunc: func(cveID string) (m map[string]types.VulnerabilityDetail, err error) {
Expand Down