CVE-2020-12283

Sourcegraph before 3.15.1 has a vulnerable authentication workflow because of improper validation in the SafeRedirectURL method in cmd/frontend/auth/redirect.go, such as for the //foo//example.com substring.

CVSS v3 6.1 MEDIUM
CVSS v2.0 5.8 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

5.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:N

Exploitability : 8.6 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://github.com/sourcegraph/sourcegraph/blob/master/CHANGELOG.md	Release Notes Third Party Advisory
https://github.com/sourcegraph/sourcegraph/commit/c0f48172e815c7f66471a38f0a06d1fc32a77a64	Patch Third Party Advisory
https://github.com/sourcegraph/sourcegraph/compare/v3.15.0...v3.15.1	Release Notes Third Party Advisory
https://github.com/sourcegraph/sourcegraph/pull/10167	Patch Third Party Advisory
https://securitylab.github.com/advisories/GHSL-2020-085-sourcegraph	Exploit Third Party Advisory
https://github.com/sourcegraph/sourcegraph/blob/master/CHANGELOG.md	Release Notes Third Party Advisory
https://github.com/sourcegraph/sourcegraph/commit/c0f48172e815c7f66471a38f0a06d1fc32a77a64	Patch Third Party Advisory
https://github.com/sourcegraph/sourcegraph/compare/v3.15.0...v3.15.1	Release Notes Third Party Advisory
https://github.com/sourcegraph/sourcegraph/pull/10167	Patch Third Party Advisory
https://securitylab.github.com/advisories/GHSL-2020-085-sourcegraph	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:sourcegraph:sourcegraph:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-04-30 05:15

Updated : 2024-11-21 04:59

NVD link : CVE-2020-12283

Mitre link : CVE-2020-12283

CVE.ORG link : CVE-2020-12283

JSON object : View

Products Affected

sourcegraph

sourcegraph

CWE

CWE-601

URL Redirection to Untrusted Site ('Open Redirect')

{"id": "CVE-2020-12283", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}]}, "published": "2020-04-30T05:15:11.947", "references": [{"url": "https://github.com/sourcegraph/sourcegraph/blob/master/CHANGELOG.md", "tags": ["Release Notes", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/sourcegraph/sourcegraph/commit/c0f48172e815c7f66471a38f0a06d1fc32a77a64", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/sourcegraph/sourcegraph/compare/v3.15.0...v3.15.1", "tags": ["Release Notes", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/sourcegraph/sourcegraph/pull/10167", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://securitylab.github.com/advisories/GHSL-2020-085-sourcegraph", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/sourcegraph/sourcegraph/blob/master/CHANGELOG.md", "tags": ["Release Notes", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/sourcegraph/sourcegraph/commit/c0f48172e815c7f66471a38f0a06d1fc32a77a64", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/sourcegraph/sourcegraph/compare/v3.15.0...v3.15.1", "tags": ["Release Notes", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/sourcegraph/sourcegraph/pull/10167", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://securitylab.github.com/advisories/GHSL-2020-085-sourcegraph", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-601"}]}], "descriptions": [{"lang": "en", "value": "Sourcegraph before 3.15.1 has a vulnerable authentication workflow because of improper validation in the SafeRedirectURL method in cmd/frontend/auth/redirect.go, such as for the //foo//example.com substring."}, {"lang": "es", "value": "Sourcegraph versiones anteriores a 3.15.1, hay un flujo de trabajo de autenticaci\u00f3n vulnerable debido a una comprobaci\u00f3n inapropiada en el m\u00e9todo SafeRedirectURL en el archivo cmd/frontend/auth/redirect.go, tal y como para la subcadena //foo//example.com."}], "lastModified": "2024-11-21T04:59:26.770", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:sourcegraph:sourcegraph:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "20A6A2ED-E938-4AAA-ACDF-A362E9E4CBE2", "versionEndExcluding": "3.15.1"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}