aa_read_header in libavformat/aadec.c in FFmpeg before 3.2.14 and 4.x before 4.1.4 does not check for sscanf failure and consequently allows use of uninitialized variables.
Weakness
The product uses or accesses a resource that has not been initialized.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ffmpeg | Ffmpeg | * | 3.2.14 (excluding) |
| Ffmpeg | Ubuntu | bionic | * |
| Ffmpeg | Ubuntu | cosmic | * |
| Ffmpeg | Ubuntu | disco | * |
| Ffmpeg | Ubuntu | esm-apps-legacy/xenial | * |
| Ffmpeg | Ubuntu | esm-apps/bionic | * |
| Ffmpeg | Ubuntu | esm-apps/xenial | * |
| Ffmpeg | Ubuntu | trusty | * |
| Ffmpeg | Ubuntu | upstream | * |
| Ffmpeg | Ubuntu | xenial | * |
Potential Mitigations
References
- http://www.securityfocus.com/bid/109317
- https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/9b4004c054964a49c7ba44583f4cee22486dd8f2
- https://git.ffmpeg.org/gitweb/ffmpeg.git/shortlog/n4.1.4
- https://github.com/FFmpeg/FFmpeg/commit/ed188f6dcdf0935c939ed813cf8745d50742014b
- https://github.com/FFmpeg/FFmpeg/compare/a97ea53...ba11e40
- https://seclists.org/bugtraq/2019/Aug/30
- https://security.gentoo.org/glsa/202003-65
- https://usn.ubuntu.com/4431-1/
- https://www.debian.org/security/2019/dsa-4502
- http://www.securityfocus.com/bid/109317
- https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/9b4004c054964a49c7ba44583f4cee22486dd8f2
- https://git.ffmpeg.org/gitweb/ffmpeg.git/shortlog/n4.1.4
- https://github.com/FFmpeg/FFmpeg/commit/ed188f6dcdf0935c939ed813cf8745d50742014b
- https://github.com/FFmpeg/FFmpeg/compare/a97ea53...ba11e40
- https://seclists.org/bugtraq/2019/Aug/30
- https://security.gentoo.org/glsa/202003-65
- https://usn.ubuntu.com/4431-1/
- https://www.debian.org/security/2019/dsa-4502