Debian Security Advisory
DSA-308-1 gzip -- insecure temporary files
- Date Reported:
- 06 Jun 2003
- Affected Packages:
- gzip
- Vulnerable:
- Yes
- Security database references:
- In the Bugtraq database (at SecurityFocus): BugTraq ID 7845, BugTraq ID 7872.
In Mitre's CVE dictionary: CVE-1999-1332, CVE-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
- http://security.debian.org/pool/updates/main/g/gzip/gzip_1.3.2-3woody1.diff.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
- http://security.debian.org/pool/updates/main/g/gzip/gzip_1.2.4-33.2.diff.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.