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TUCoPS :: Linux :: Debian :: dsa-308.htm

gzip - insecure temporary files



Debian Security Advisory

DSA-308-1 gzip -- insecure temporary files

Date Reported:
06 Jun 2003
Affected Packages:
gzip
Vulnerable:
Yes
Security database references:
In Mitre's CVE dictionary: CVE-1999-1332, CAN-2003-0367.
More information:

Paul Szabo discovered that znew, a script included in the gzip package, creates its temporary files without taking precautions to avoid a symlink attack (CAN-2003-0367).

The gzexe script has a similar vulnerability which was patched in an earlier release but inadvertently reverted.

For the stable distribution (woody) both problems have been fixed in version 1.3.2-3woody1.

For the old stable distribution (potato) CAN-2003-0367 has been fixed in version 1.2.4-33.2. This version is not vulnerable to CVE-1999-1332 due to an earlier patch.

For the unstable distribution (sid) this problem will be fixed soon.

We recommend that you update your gzip package.

Fixed in:

Debian GNU/Linux 3.0 (woody)

Source:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody1.dsc
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody1.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_1.3.2-3woody1_alpha.deb
ARM:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody1_arm.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody1_i386.deb
Intel IA-64:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody1_ia64.deb
HPPA:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody1_hppa.deb
Motorola 680x0:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody1_m68k.deb
Big endian MIPS:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody1_mips.deb
Little endian MIPS:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody1_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody1_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody1_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody1_sparc.deb

Debian GNU/Linux 2.2 (potato)

Source:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.2.4-33.2.dsc
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.2.4-33.2.diff.gz
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.2.4.orig.tar.gz
Alpha:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.2.4-33.2_alpha.deb
ARM:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.2.4-33.2_arm.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.2.4-33.2_i386.deb
Motorola 680x0:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.2.4-33.2_m68k.deb
PowerPC:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.2.4-33.2_powerpc.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/g/gzip/gzip_1.2.4-33.2_sparc.deb

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



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