CVE-2020-20891

Buffer Overflow vulnerability in function config_input in libavfilter/vf_gblur.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts.

CVSS v3 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/64a805883d7223c868a683f0030837d859edd2ab	Mailing List Vendor Advisory
https://trac.ffmpeg.org/ticket/8282	Exploit Issue Tracking Vendor Advisory
https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/64a805883d7223c868a683f0030837d859edd2ab	Mailing List Vendor Advisory
https://trac.ffmpeg.org/ticket/8282	Exploit Issue Tracking Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:ffmpeg:ffmpeg:4.2.1:*:*:*:*:*:*:*

History

21 Nov 2024, 05:12

Type	Values Removed	Values Added
References	~~() https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/64a805883d7223c868a683f0030837d859edd2ab - Mailing List, Vendor Advisory~~	() https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/64a805883d7223c868a683f0030837d859edd2ab - Mailing List, Vendor Advisory
References	~~() https://trac.ffmpeg.org/ticket/8282 - Exploit, Issue Tracking, Vendor Advisory~~	() https://trac.ffmpeg.org/ticket/8282 - Exploit, Issue Tracking, Vendor Advisory

Information

Published : 2021-09-20 16:15

Updated : 2024-11-21 05:12

NVD link : CVE-2020-20891

Mitre link : CVE-2020-20891

CVE.ORG link : CVE-2020-20891

JSON object : View

Products Affected

ffmpeg

ffmpeg

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

{"id": "CVE-2020-20891", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2021-09-20T16:15:08.893", "references": [{"url": "https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/64a805883d7223c868a683f0030837d859edd2ab", "tags": ["Mailing List", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://trac.ffmpeg.org/ticket/8282", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/64a805883d7223c868a683f0030837d859edd2ab", "tags": ["Mailing List", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://trac.ffmpeg.org/ticket/8282", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-120"}]}], "descriptions": [{"lang": "en", "value": "Buffer Overflow vulnerability in function config_input in libavfilter/vf_gblur.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts."}, {"lang": "es", "value": "Una vulnerabilidad de desbordamiento del b\u00fafer en la funci\u00f3n config_input en el archivo libavfilter/vf_gblur.c en Ffmpeg versi\u00f3n 4.2.1, permite a atacantes causar una Denegaci\u00f3n de Servicio u otros impactos no especificados"}], "lastModified": "2024-11-21T05:12:17.240", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ffmpeg:ffmpeg:4.2.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DBBD92DC-917C-4331-A949-4D310EA3CD12"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}