Vulnerability Name:

CCN-86529

Published:2013-08-16
Updated:2013-08-16
Summary:FFmpeg is vulnerable to a denial of service, caused by improper bounds checking by h261_decode_mb() function in libavcodec/h261dec.c. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS v3 Severity:5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:4.3 Medium (CCN CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
3.2 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Consequences:Denial of Service
References:Source: CCN
Type: FFmpeg GIT Repository
h261: check the mtype index

Source: CCN
Type: SA54389
FFmpeg Two Vulnerabilities

Source: CCN
Type: FFmpeg Web Site
FFmpeg

Source: XF
Type: UNKNOWN
ffmpeg-h261decodemb-h261dec-dos(86529)

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/a:ffmpeg:ffmpeg:1.2:*:*:*:*:*:*:*
  • OR cpe:/a:ffmpeg:ffmpeg:2.0:*:*:*:*:*:*:*
  • OR cpe:/a:ffmpeg:ffmpeg:1.1:*:*:*:*:*:*:*
  • OR cpe:/a:ffmpeg:ffmpeg:1.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    ffmpeg ffmpeg 1.2
    ffmpeg ffmpeg 2.0
    ffmpeg ffmpeg 1.1
    ffmpeg ffmpeg 1.0