Off-by-one error in the extracthalf function in dpkg-deb/extract.c in the dpkg-deb component in Debian dpkg 1.16.x before 1.16.17 and 1.17.x before 1.17.26 allows remote attackers to execute arbitrary code via the archive magic version number in an old-style Debian binary package, which triggers a stack-based buffer overflow.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ubuntu_linux | Canonical | 12.04 (including) | 12.04 (including) |
| Ubuntu_linux | Canonical | 14.04 (including) | 14.04 (including) |
| Ubuntu_linux | Canonical | 15.04 (including) | 15.04 (including) |
| Ubuntu_linux | Canonical | 15.10 (including) | 15.10 (including) |
| Dpkg | Ubuntu | devel | * |
| Dpkg | Ubuntu | esm-infra-legacy/trusty | * |
| Dpkg | Ubuntu | precise | * |
| Dpkg | Ubuntu | trusty | * |
| Dpkg | Ubuntu | trusty/esm | * |
| Dpkg | Ubuntu | vivid | * |
| Dpkg | Ubuntu | vivid/stable-phone-overlay | * |
| Dpkg | Ubuntu | vivid/ubuntu-core | * |
| Dpkg | Ubuntu | wily | * |
References
- http://www.debian.org/security/2015/dsa-3407
- http://www.ubuntu.com/usn/USN-2820-1
- https://anonscm.debian.org/cgit/dpkg/dpkg.git/commit/dpkg-deb/extract.c?id=e65aa3db04eb908c9507d5d356a95cedb890814d
- https://blog.fuzzing-project.org/30-Stack-overflows-and-out-of-bounds-read-in-dpkg-Debian.html
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=798324
- https://security.gentoo.org/glsa/201612-07
- http://www.debian.org/security/2015/dsa-3407
- http://www.ubuntu.com/usn/USN-2820-1
- https://anonscm.debian.org/cgit/dpkg/dpkg.git/commit/dpkg-deb/extract.c?id=e65aa3db04eb908c9507d5d356a95cedb890814d
- https://blog.fuzzing-project.org/30-Stack-overflows-and-out-of-bounds-read-in-dpkg-Debian.html
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=798324
- https://security.gentoo.org/glsa/201612-07