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Cover mixed targets on shared runtime rule with tests
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Yevhen Zavhorodnii
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May 31, 2024
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pkg/security/risks/builtin/mixed_targets_on_shared_runtime_rule_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,281 @@ | ||
| package builtin | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/assert" | ||
| "github.com/threagile/threagile/pkg/security/types" | ||
| ) | ||
|
|
||
| func TestMixedTargetsOnSharedRuntimeRuleGenerateRisksEmptyModelNotRisksCreated(t *testing.T) { | ||
| rule := NewMixedTargetsOnSharedRuntimeRule() | ||
|
|
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| risks, err := rule.GenerateRisks(&types.Model{}) | ||
|
|
||
| assert.Nil(t, err) | ||
| assert.Empty(t, risks) | ||
| } | ||
|
|
||
| func TestMixedTargetsOnSharedRuntimeRuleGenerateRisksAllFrontendTechAssetNoRisksCreated(t *testing.T) { | ||
| rule := NewMixedTargetsOnSharedRuntimeRule() | ||
| risks, err := rule.GenerateRisks(&types.Model{ | ||
| TechnicalAssets: map[string]*types.TechnicalAsset{ | ||
| "ta1": { | ||
| Title: "First Technical Asset", | ||
| Technologies: types.TechnologyList{ | ||
| { | ||
| Name: "front-end", | ||
| Attributes: map[string]bool{ | ||
| types.IsExclusivelyFrontendRelated: true, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| "ta2": { | ||
| Title: "Second Technical Asset", | ||
| Technologies: types.TechnologyList{ | ||
| { | ||
| Name: "front-end", | ||
| Attributes: map[string]bool{ | ||
| types.IsExclusivelyFrontendRelated: true, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| SharedRuntimes: map[string]*types.SharedRuntime{ | ||
| "sr1": { | ||
| Title: "Shared Runtime", | ||
| TechnicalAssetsRunning: []string{"ta1", "ta2"}, | ||
| }, | ||
| }, | ||
| }) | ||
|
|
||
| assert.Nil(t, err) | ||
| assert.Empty(t, risks) | ||
| } | ||
|
|
||
| func TestMixedTargetsOnSharedRuntimeRuleGenerateRisksAllBackendTechAssetNoRisksCreated(t *testing.T) { | ||
| rule := NewMixedTargetsOnSharedRuntimeRule() | ||
| risks, err := rule.GenerateRisks(&types.Model{ | ||
| TechnicalAssets: map[string]*types.TechnicalAsset{ | ||
| "ta1": { | ||
| Title: "First Technical Asset", | ||
| Technologies: types.TechnologyList{ | ||
| { | ||
| Name: "back-end", | ||
| Attributes: map[string]bool{ | ||
| types.IsExclusivelyBackendRelated: true, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| "ta2": { | ||
| Title: "Second Technical Asset", | ||
| Technologies: types.TechnologyList{ | ||
| { | ||
| Name: "back-end", | ||
| Attributes: map[string]bool{ | ||
| types.IsExclusivelyBackendRelated: true, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| SharedRuntimes: map[string]*types.SharedRuntime{ | ||
| "sr1": { | ||
| Title: "Shared Runtime", | ||
| TechnicalAssetsRunning: []string{"ta1", "ta2"}, | ||
| }, | ||
| }, | ||
| }) | ||
|
|
||
| assert.Nil(t, err) | ||
| assert.Empty(t, risks) | ||
| } | ||
|
|
||
| type MixedTargetsOnSharedRuntimeRuleTest struct { | ||
| confidentiality types.Confidentiality | ||
| integrity types.Criticality | ||
| availability types.Criticality | ||
|
|
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| expectedImpact types.RiskExploitationImpact | ||
| } | ||
|
|
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| func TestMixedTargetsOnSharedRuntimeRuleGenerateRisksMixedFrontendBackendTechAssetRiskCreated(t *testing.T) { | ||
| testCases := map[string]MixedTargetsOnSharedRuntimeRuleTest{ | ||
| "low impact": { | ||
| confidentiality: types.Confidential, | ||
| integrity: types.Critical, | ||
| availability: types.Critical, | ||
| expectedImpact: types.LowImpact, | ||
| }, | ||
| "strictly confidential medium impact": { | ||
| confidentiality: types.StrictlyConfidential, | ||
| integrity: types.Critical, | ||
| availability: types.Critical, | ||
| expectedImpact: types.MediumImpact, | ||
| }, | ||
| "mission critical integrity medium impact": { | ||
| confidentiality: types.Confidential, | ||
| integrity: types.MissionCritical, | ||
| availability: types.Critical, | ||
| expectedImpact: types.MediumImpact, | ||
| }, | ||
| "mission critical availability medium impact": { | ||
| confidentiality: types.Confidential, | ||
| integrity: types.Critical, | ||
| availability: types.MissionCritical, | ||
| expectedImpact: types.MediumImpact, | ||
| }, | ||
| } | ||
|
|
||
| for name, testCase := range testCases { | ||
| t.Run(name, func(t *testing.T) { | ||
| rule := NewMixedTargetsOnSharedRuntimeRule() | ||
| risks, err := rule.GenerateRisks(&types.Model{ | ||
| TechnicalAssets: map[string]*types.TechnicalAsset{ | ||
| "ta1": { | ||
| Id: "ta1", | ||
| Title: "First Technical Asset", | ||
| Technologies: types.TechnologyList{ | ||
| { | ||
| Name: "back-end", | ||
| Attributes: map[string]bool{ | ||
| types.IsExclusivelyBackendRelated: true, | ||
| }, | ||
| }, | ||
| }, | ||
| Confidentiality: testCase.confidentiality, | ||
| Integrity: testCase.integrity, | ||
| Availability: testCase.availability, | ||
| }, | ||
| "ta2": { | ||
| Id: "ta2", | ||
| Title: "Second Technical Asset", | ||
| Technologies: types.TechnologyList{ | ||
| { | ||
| Name: "front-end", | ||
| Attributes: map[string]bool{ | ||
| types.IsExclusivelyFrontendRelated: true, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| SharedRuntimes: map[string]*types.SharedRuntime{ | ||
| "sr1": { | ||
| Title: "Shared Runtime", | ||
| TechnicalAssetsRunning: []string{"ta1", "ta2"}, | ||
| }, | ||
| }, | ||
| }) | ||
|
|
||
| assert.Nil(t, err) | ||
| assert.Len(t, risks, 1) | ||
| assert.Equal(t, testCase.expectedImpact, risks[0].ExploitationImpact) | ||
|
|
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| expTitle := "<b>Mixed Targets on Shared Runtime</b> named <b>Shared Runtime</b> might enable attackers moving from one less valuable target to a more valuable one" | ||
| assert.Equal(t, expTitle, risks[0].Title) | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| func TestMixedTargetsOnSharedRuntimeRuleGenerateRisksMixedTrustBoundaryRiskCreated(t *testing.T) { | ||
| testCases := map[string]MixedTargetsOnSharedRuntimeRuleTest{ | ||
| "low impact": { | ||
| confidentiality: types.Confidential, | ||
| integrity: types.Critical, | ||
| availability: types.Critical, | ||
| expectedImpact: types.LowImpact, | ||
| }, | ||
| "strictly confidential medium impact": { | ||
| confidentiality: types.StrictlyConfidential, | ||
| integrity: types.Critical, | ||
| availability: types.Critical, | ||
| expectedImpact: types.MediumImpact, | ||
| }, | ||
| "mission critical integrity medium impact": { | ||
| confidentiality: types.Confidential, | ||
| integrity: types.MissionCritical, | ||
| availability: types.Critical, | ||
| expectedImpact: types.MediumImpact, | ||
| }, | ||
| "mission critical availability medium impact": { | ||
| confidentiality: types.Confidential, | ||
| integrity: types.Critical, | ||
| availability: types.MissionCritical, | ||
| expectedImpact: types.MediumImpact, | ||
| }, | ||
| } | ||
|
|
||
| for name, testCase := range testCases { | ||
| t.Run(name, func(t *testing.T) { | ||
| rule := NewMixedTargetsOnSharedRuntimeRule() | ||
| tb1 := &types.TrustBoundary{ | ||
| Id: "tb1", | ||
| Title: "Test Trust Boundary", | ||
| TechnicalAssetsInside: []string{"ta1"}, | ||
| Type: types.NetworkCloudProvider, | ||
| } | ||
| tb2 := &types.TrustBoundary{ | ||
| Id: "tb2", | ||
| Title: "Test Trust Boundary", | ||
| TechnicalAssetsInside: []string{"ta2"}, | ||
| Type: types.NetworkCloudProvider, | ||
| } | ||
| risks, err := rule.GenerateRisks(&types.Model{ | ||
| TechnicalAssets: map[string]*types.TechnicalAsset{ | ||
| "ta1": { | ||
| Id: "ta1", | ||
| Title: "First Technical Asset", | ||
| Technologies: types.TechnologyList{ | ||
| { | ||
| Name: "back-end", | ||
| Attributes: map[string]bool{ | ||
| types.IsExclusivelyBackendRelated: true, | ||
| }, | ||
| }, | ||
| }, | ||
| Confidentiality: testCase.confidentiality, | ||
| Integrity: testCase.integrity, | ||
| Availability: testCase.availability, | ||
| }, | ||
| "ta2": { | ||
| Id: "ta2", | ||
| Title: "Second Technical Asset", | ||
| Technologies: types.TechnologyList{ | ||
| { | ||
| Name: "front-end", | ||
| Attributes: map[string]bool{ | ||
| types.IsExclusivelyBackendRelated: true, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| SharedRuntimes: map[string]*types.SharedRuntime{ | ||
| "sr1": { | ||
| Title: "Shared Runtime", | ||
| TechnicalAssetsRunning: []string{"ta1", "ta2"}, | ||
| }, | ||
| }, | ||
| TrustBoundaries: map[string]*types.TrustBoundary{ | ||
| "tb1": tb1, | ||
| "tb2": tb2, | ||
| }, | ||
| DirectContainingTrustBoundaryMappedByTechnicalAssetId: map[string]*types.TrustBoundary{ | ||
| "ta1": tb1, | ||
| "ta2": tb2, | ||
| }, | ||
| }) | ||
|
|
||
| assert.Nil(t, err) | ||
| assert.Len(t, risks, 1) | ||
| assert.Equal(t, testCase.expectedImpact, risks[0].ExploitationImpact) | ||
|
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| expTitle := "<b>Mixed Targets on Shared Runtime</b> named <b>Shared Runtime</b> might enable attackers moving from one less valuable target to a more valuable one" | ||
| assert.Equal(t, expTitle, risks[0].Title) | ||
| }) | ||
| } | ||
| } |