Debian Security Advisory

DSA-588-1 gzip -- insecure temporary files

Date Reported:
08 Nov 2004
Affected Packages:
gzip
Vulnerable:
Yes
Security database references:
In the Bugtraq database (at SecurityFocus): BugTraq ID 11288.
In Mitre's CVE dictionary: CVE-2004-0970.
More information:

Trustix developers discovered insecure temporary file creation in supplemental scripts in the gzip package which may allow local users to overwrite files via a symlink attack.

For the stable distribution (woody) these problems have been fixed in version 1.3.2-3woody3.

The unstable distribution (sid) is not affected by these problems.

We recommend that you upgrade your gzip package.

Fixed in:

Debian GNU/Linux 3.0 (woody)

Source:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody3.dsc
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody3.diff.gz
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2.orig.tar.gz
Alpha:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody3_alpha.deb
ARM:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody3_arm.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody3_i386.deb
Intel IA-64:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody3_ia64.deb
HPPA:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody3_hppa.deb
Motorola 680x0:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody3_m68k.deb
Big endian MIPS:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody3_mips.deb
Little endian MIPS:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody3_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody3_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody3_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody3_sparc.deb

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