CVE-2020-8919

An information leak vulnerability exists in Gerrit versions prior to 2.15.21, 2.16.25, 3.0.15, 3.1.10, 3.2.5 where a missing access check on the branch REST API allows an attacker with only the default set of priviledges to read all other user's personal account data as well as sub-trees with restricted access.

CVSS v3 3.5 LOW
CVSS v2.0 2.7 LOW

3.5^/10

CVSS v3 : LOW

Vector :

Exploitability : 2.1 / Impact : 1.4

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

2.7^/10

CVSS v2.0 : LOW

Vector : AV:A/AC:L/Au:S/C:P/I:N/A:N

Exploitability : 5.1 / Impact : 2.9

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://gerrit.googlesource.com/gerrit/+/0532fb876cb86bc091a91f78e6f28fff9e39ca65	Issue Tracking Patch Vendor Advisory
https://www.gerritcodereview.com/2.15.html#21521	Release Notes Vendor Advisory
https://www.gerritcodereview.com/2.16.html#21625	Release Notes Vendor Advisory
https://www.gerritcodereview.com/3.0.html#3014	Release Notes Vendor Advisory
https://www.gerritcodereview.com/3.1.html#3110	Release Notes Vendor Advisory
https://www.gerritcodereview.com/3.2.html#325	Release Notes Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:google:gerrit::::::::
	cpe:2.3:a:google:gerrit::::::::
	cpe:2.3:a:google:gerrit::::::::
	cpe:2.3:a:google:gerrit::::::::
	cpe:2.3:a:google:gerrit::::::::

History

No history.

Information

Published : 2020-12-10 11:15

Updated : 2024-02-28 18:08

NVD link : CVE-2020-8919

Mitre link : CVE-2020-8919

CVE.ORG link : CVE-2020-8919

JSON object : View

Products Affected

google

gerrit

CWE

CWE-863

Incorrect Authorization

CWE-285

Improper Authorization

{"id": "CVE-2020-8919", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 2.7, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:L/Au:S/C:P/I:N/A:N", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 5.1, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.1}, {"type": "Secondary", "source": "cve-coordination@google.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.1}]}, "published": "2020-12-10T11:15:11.450", "references": [{"url": "https://gerrit.googlesource.com/gerrit/+/0532fb876cb86bc091a91f78e6f28fff9e39ca65", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "source": "cve-coordination@google.com"}, {"url": "https://www.gerritcodereview.com/2.15.html#21521", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve-coordination@google.com"}, {"url": "https://www.gerritcodereview.com/2.16.html#21625", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve-coordination@google.com"}, {"url": "https://www.gerritcodereview.com/3.0.html#3014", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve-coordination@google.com"}, {"url": "https://www.gerritcodereview.com/3.1.html#3110", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve-coordination@google.com"}, {"url": "https://www.gerritcodereview.com/3.2.html#325", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve-coordination@google.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-863"}]}, {"type": "Secondary", "source": "cve-coordination@google.com", "description": [{"lang": "en", "value": "CWE-285"}]}], "descriptions": [{"lang": "en", "value": "An information leak vulnerability exists in Gerrit versions prior to 2.15.21, 2.16.25, 3.0.15, 3.1.10, 3.2.5 where a missing access check on the branch REST API allows an attacker with only the default set of priviledges to read all other user's personal account data as well as sub-trees with restricted access."}, {"lang": "es", "value": "Se presenta una vulnerabilidad de filtraci\u00f3n de informaci\u00f3n en Gerrit versiones anteriores a 2.15.21, 2.16.25, 3.0.15, 3.1.10, 3.2.5, donde una falta de comprobaci\u00f3n de acceso en la API REST de la rama permite a un atacante con solo el ajuste predeterminado de privilegios leer todos los datos de la cuenta personal de los dem\u00e1s usuarios, as\u00ed como los sub\u00e1rboles con acceso restringido."}], "lastModified": "2020-12-16T01:02:50.263", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:google:gerrit:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "85C99CB5-458B-4A7F-AA2D-B247886C7995", "versionEndExcluding": "2.15.21", "versionStartIncluding": "2.15.0"}, {"criteria": "cpe:2.3:a:google:gerrit:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1C858DDA-9464-4FEA-A42F-F7D5B83AA2CE", "versionEndExcluding": "2.16.25", "versionStartIncluding": "2.16.0"}, {"criteria": "cpe:2.3:a:google:gerrit:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B16ADF17-9AC1-40F6-AB4B-0C0C2BDC5632", "versionEndExcluding": "3.0.15", "versionStartIncluding": "3.0.0"}, {"criteria": "cpe:2.3:a:google:gerrit:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E9463501-D097-4BBE-BBC5-78BE8694B4C1", "versionEndExcluding": "3.1.10", "versionStartIncluding": "3.1.0"}, {"criteria": "cpe:2.3:a:google:gerrit:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "109C49F0-F690-4990-9E07-F3BBB483DDCA", "versionEndExcluding": "3.2.5", "versionStartIncluding": "3.2.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve-coordination@google.com"}