Debian Security Advisory
DSA-959-1 unalz -- buffer overflow
- Date Reported:
- 30 Jan 2006
- Affected Packages:
- unalz
- Vulnerable:
- Yes
- Security database references:
- In the Debian bugtracking system: Bug 340842.
In Mitre's CVE dictionary: CVE-2005-3862. - More information:
-
Ulf Härnhammar from the Debian Security Audit Project discovered that unalz, a decompressor for ALZ archives, performs insufficient bounds checking when parsing file names. This can lead to arbitrary code execution if an attacker provides a crafted ALZ archive.
The old stable distribution (woody) does not contain unalz.
For the stable distribution (sarge) this problem has been fixed in version 0.30.1
For the unstable distribution (sid) this problem will be fixed soon.
We recommend that you upgrade your unalz package.
- Fixed in:
-
Debian GNU/Linux 3.1 (sarge)
- Source:
- http://security.debian.org/pool/updates/main/u/unalz/unalz_0.30.1.dsc
- http://security.debian.org/pool/updates/main/u/unalz/unalz_0.30.1.tar.gz
- http://security.debian.org/pool/updates/main/u/unalz/unalz_0.30.1.tar.gz
- Alpha:
- http://security.debian.org/pool/updates/main/u/unalz/unalz_0.30.1_alpha.deb
- AMD64:
- http://security.debian.org/pool/updates/main/u/unalz/unalz_0.30.1_amd64.deb
- ARM:
- http://security.debian.org/pool/updates/main/u/unalz/unalz_0.30.1_arm.deb
- Intel IA-32:
- http://security.debian.org/pool/updates/main/u/unalz/unalz_0.30.1_i386.deb
- Intel IA-64:
- http://security.debian.org/pool/updates/main/u/unalz/unalz_0.30.1_ia64.deb
- HPPA:
- http://security.debian.org/pool/updates/main/u/unalz/unalz_0.30.1_hppa.deb
- Motorola 680x0:
- http://security.debian.org/pool/updates/main/u/unalz/unalz_0.30.1_m68k.deb
- Big endian MIPS:
- http://security.debian.org/pool/updates/main/u/unalz/unalz_0.30.1_mips.deb
- Little endian MIPS:
- http://security.debian.org/pool/updates/main/u/unalz/unalz_0.30.1_mipsel.deb
- PowerPC:
- http://security.debian.org/pool/updates/main/u/unalz/unalz_0.30.1_powerpc.deb
- IBM S/390:
- http://security.debian.org/pool/updates/main/u/unalz/unalz_0.30.1_s390.deb
- Sun Sparc:
- http://security.debian.org/pool/updates/main/u/unalz/unalz_0.30.1_sparc.deb
MD5 checksums of the listed files are available in the original advisory.