Debian Security Advisory
DSA-1149-1 ncompress -- buffer underflow
- Date Reported:
- 10 Aug 2006
- Affected Packages:
- ncompress
- Vulnerable:
- Yes
- Security database references:
- In Mitre's CVE dictionary: CVE-2006-1168.
- More information:
-
Tavis Ormandy from the Google Security Team discovered a missing boundary check in ncompress, the original Lempel-Ziv compress and uncompress programs, which allows a specially crafted datastream to underflow a buffer with attacker controlled data.
For the stable distribution (sarge) this problem has been fixed in version 4.2.4-15sarge2.
For the unstable distribution (sid) this problem has been fixed in version 4.2.4-15sarge2.
We recommend that you upgrade your ncompress package.
- Fixed in:
-
Debian GNU/Linux 3.1 (sarge)
- Source:
- http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4-15sarge2.dsc
- http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4-15sarge2.diff.gz
- http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4.orig.tar.gz
- http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4-15sarge2.diff.gz
- Alpha:
- http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4-15sarge2_alpha.deb
- AMD64:
- http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4-15sarge2_amd64.deb
- ARM:
- http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4-15sarge2_arm.deb
- Intel IA-32:
- http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4-15sarge2_i386.deb
- Intel IA-64:
- http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4-15sarge2_ia64.deb
- HPPA:
- http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4-15sarge2_hppa.deb
- Motorola 680x0:
- http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4-15sarge2_m68k.deb
- Big endian MIPS:
- http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4-15sarge2_mips.deb
- Little endian MIPS:
- http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4-15sarge2_mipsel.deb
- PowerPC:
- http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4-15sarge2_powerpc.deb
- IBM S/390:
- http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4-15sarge2_s390.deb
- Sun Sparc:
- http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4-15sarge2_sparc.deb
MD5 checksums of the listed files are available in the original advisory.