Multiple integer overflows in the search_chunk function in chmd.c in libmspack before 0.5 allow remote attackers to cause a denial of service (buffer over-read and application crash) via a crafted CHM file.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Libmspack | Libmspack_project | * | 0.4-3 (including) |
| Libmspack | Ubuntu | esm-infra-legacy/trusty | * |
| Libmspack | Ubuntu | trusty | * |
| Libmspack | Ubuntu | trusty/esm | * |
| Libmspack | Ubuntu | upstream | * |
| Libmspack | Ubuntu | utopic | * |
References
- http://anonscm.debian.org/cgit/collab-maint/libmspack.git/diff/debian/patches/fix-pointer-arithmetic-overflow.patch?id=a25bb144795e526748b57884daf365732c7e2295
- http://openwall.com/lists/oss-security/2015/02/03/11
- http://www.securityfocus.com/bid/72486
- https://bugs.debian.org/774726
- http://anonscm.debian.org/cgit/collab-maint/libmspack.git/diff/debian/patches/fix-pointer-arithmetic-overflow.patch?id=a25bb144795e526748b57884daf365732c7e2295
- http://openwall.com/lists/oss-security/2015/02/03/11
- http://www.securityfocus.com/bid/72486
- https://bugs.debian.org/774726