DSA-1223-1 tar -- input validation error

Debian Security Advisory

DSA-1223-1 tar -- input validation error

Date Reported:

01 Dec 2006

Affected Packages:

tar

Vulnerable:

Yes

Security database references:

In the Debian bugtracking system: Bug 399845.
In the Bugtraq database (at SecurityFocus): BugTraq ID 21235.
In Mitre's CVE dictionary: CVE-2006-6097.

More information:

Teemu Salmela discovered a vulnerability in GNU tar that could allow a malicious user to overwrite arbitrary files by inducing the victim to attempt to extract a specially crafted tar file containing a GNUTYPE_NAMES record with a symbolic link.

For the stable distribution (sarge), this problem has been fixed in version 1.14-2.3.

For the unstable distribution (sid) and the forthcoming stable release (etch), this problem will be fixed in version 1.16-2.

We recommend that you upgrade your tar package.

Fixed in:

Debian GNU/Linux 3.1 (stable)

Source:

http://security.debian.org/pool/updates/main/t/tar/tar_1.14.orig.tar.gz

http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3.diff.gz

http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3.dsc

Alpha:

http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_alpha.deb

AMD64:

http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_amd64.deb

ARM:

http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_arm.deb

HP Precision:

http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_hppa.deb

Intel IA-32:

http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_i386.deb

Intel IA-64:

http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_ia64.deb

Motorola 680x0:

http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_m68k.deb

Big-endian MIPS:

http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_mips.deb

Little-endian MIPS:

http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_mipsel.deb

PowerPC:

http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_powerpc.deb

IBM S/390:

http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_s390.deb

Sun Sparc:

http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_sparc.deb

MD5 checksums of the listed files are available in the original advisory.