Vulnerability Details : CVE-2018-13305
In FFmpeg 4.0.1, due to a missing check for negative values of the mquant variable, the vc1_put_blocks_clamped function in libavcodec/vc1_block.c may trigger an out-of-array access while converting a crafted AVI file to MPEG4, leading to an information disclosure or a denial of service.
Vulnerability category: Denial of serviceInformation leak
Products affected by CVE-2018-13305
- cpe:2.3:a:ffmpeg:ffmpeg:4.0.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-13305
0.23%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 61 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-13305
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:P |
8.6
|
4.9
|
NIST | |
8.1
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H |
2.8
|
5.2
|
NIST |
CWE ids for CVE-2018-13305
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-13305
-
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00012.html
[security-announce] openSUSE-SU-2020:0024-1: moderate: Security update f
-
https://github.com/FFmpeg/FFmpeg/commit/d08d4a8c7387e758d439b0592782e4cfa2b4d6a4
avcodec/vc1_block: Fix mqaunt check for negative values · FFmpeg/FFmpeg@d08d4a8 · GitHubPatch
Jump to