Vulnerability Details : CVE-2020-12284
Potential exploit
cbs_jpeg_split_fragment in libavcodec/cbs_jpeg.c in FFmpeg 4.1 and 4.2.2 has a heap-based buffer overflow during JPEG_MARKER_SOS handling because of a missing length check.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2020-12284
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:ffmpeg:ffmpeg:4.1:*:*:*:*:*:*:*
- cpe:2.3:a:ffmpeg:ffmpeg:4.2.2:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-12284
2.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 89 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-12284
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
10.0
|
HIGH | AV:N/AC:L/Au:N/C:C/I:C/A:C |
10.0
|
10.0
|
NIST | |
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2020-12284
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-12284
-
https://github.com/FFmpeg/FFmpeg/commit/1812352d767ccf5431aa440123e2e260a4db2726
avcodec/cbs_jpeg: Check length for SOS · FFmpeg/FFmpeg@1812352 · GitHubPatch;Third Party Advisory
-
https://github.com/FFmpeg/FFmpeg/commit/a3a3730b5456ca00587455004d40c047f7b20a99
avcodec/cbs_jpeg: Check length for SOS · FFmpeg/FFmpeg@a3a3730 · GitHubPatch;Third Party Advisory
-
https://security.gentoo.org/glsa/202007-58
FFmpeg: Multiple vulnerabilities (GLSA 202007-58) — Gentoo securityThird Party Advisory
-
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19734
19734 - ffmpeg:ffmpeg_BSF_TRACE_HEADERS_fuzzer: Heap-buffer-overflow in cbs_jpeg_split_fragment - oss-fuzzExploit;Issue Tracking;Vendor Advisory
-
https://www.debian.org/security/2020/dsa-4722
Debian -- Security Information -- DSA-4722-1 ffmpegThird Party Advisory
-
https://usn.ubuntu.com/4431-1/
USN-4431-1: FFmpeg vulnerabilities | Ubuntu security notices | UbuntuThird Party Advisory
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