DSA-740-1 zlib -- remote denial of service

Debian Security Advisory

DSA-740-1 zlib -- remote denial of service

Date Reported:

06 Jul 2005

Affected Packages:

zlib

Vulnerable:

Yes

Security database references:

In Mitre's CVE dictionary: CVE-2005-2096.

More information:

An error in the way zlib handles the inflation of certain compressed files can cause a program which uses zlib to crash when opening an invalid file.

This problem does not affect the old stable distribution (woody).

For the stable distribution (sarge), this problem has been fixed in version 1.2.2-4.sarge.1.

For the unstable distribution, this problem has been fixed in version 1.2.2-7.

We recommend that you upgrade your zlib package.

Fixed in:

Debian GNU/Linux 3.1 (sarge)

Source:

http://security.debian.org/pool/updates/main/z/zlib/zlib_1.2.2-4.sarge.1.dsc

http://security.debian.org/pool/updates/main/z/zlib/zlib_1.2.2-4.sarge.1.diff.gz

http://security.debian.org/pool/updates/main/z/zlib/zlib_1.2.2.orig.tar.gz

Alpha:

http://security.debian.org/pool/updates/main/z/zlib/zlib-bin_1.2.2-4.sarge.1_alpha.deb

http://security.debian.org/pool/updates/main/z/zlib/zlib1g_1.2.2-4.sarge.1_alpha.deb

http://security.debian.org/pool/updates/main/z/zlib/zlib1g-dev_1.2.2-4.sarge.1_alpha.deb

ARM:

http://security.debian.org/pool/updates/main/z/zlib/zlib-bin_1.2.2-4.sarge.1_arm.deb

http://security.debian.org/pool/updates/main/z/zlib/zlib1g_1.2.2-4.sarge.1_arm.deb

http://security.debian.org/pool/updates/main/z/zlib/zlib1g-dev_1.2.2-4.sarge.1_arm.deb

Intel IA-32:

http://security.debian.org/pool/updates/main/z/zlib/zlib-bin_1.2.2-4.sarge.1_i386.deb

http://security.debian.org/pool/updates/main/z/zlib/zlib1g_1.2.2-4.sarge.1_i386.deb

http://security.debian.org/pool/updates/main/z/zlib/zlib1g-dev_1.2.2-4.sarge.1_i386.deb

Intel IA-64:

http://security.debian.org/pool/updates/main/z/zlib/zlib-bin_1.2.2-4.sarge.1_ia64.deb

http://security.debian.org/pool/updates/main/z/zlib/zlib1g_1.2.2-4.sarge.1_ia64.deb

http://security.debian.org/pool/updates/main/z/zlib/zlib1g-dev_1.2.2-4.sarge.1_ia64.deb

HPPA:

http://security.debian.org/pool/updates/main/z/zlib/zlib-bin_1.2.2-4.sarge.1_hppa.deb

http://security.debian.org/pool/updates/main/z/zlib/zlib1g_1.2.2-4.sarge.1_hppa.deb

http://security.debian.org/pool/updates/main/z/zlib/zlib1g-dev_1.2.2-4.sarge.1_hppa.deb

Motorola 680x0:

http://security.debian.org/pool/updates/main/z/zlib/zlib-bin_1.2.2-4.sarge.1_m68k.deb

http://security.debian.org/pool/updates/main/z/zlib/zlib1g_1.2.2-4.sarge.1_m68k.deb

http://security.debian.org/pool/updates/main/z/zlib/zlib1g-dev_1.2.2-4.sarge.1_m68k.deb

Big endian MIPS:

http://security.debian.org/pool/updates/main/z/zlib/zlib-bin_1.2.2-4.sarge.1_mips.deb

http://security.debian.org/pool/updates/main/z/zlib/zlib1g_1.2.2-4.sarge.1_mips.deb

http://security.debian.org/pool/updates/main/z/zlib/zlib1g-dev_1.2.2-4.sarge.1_mips.deb

Little endian MIPS:

http://security.debian.org/pool/updates/main/z/zlib/zlib-bin_1.2.2-4.sarge.1_mipsel.deb

http://security.debian.org/pool/updates/main/z/zlib/zlib1g_1.2.2-4.sarge.1_mipsel.deb

http://security.debian.org/pool/updates/main/z/zlib/zlib1g-dev_1.2.2-4.sarge.1_mipsel.deb

PowerPC:

http://security.debian.org/pool/updates/main/z/zlib/zlib-bin_1.2.2-4.sarge.1_powerpc.deb

http://security.debian.org/pool/updates/main/z/zlib/zlib1g_1.2.2-4.sarge.1_powerpc.deb

http://security.debian.org/pool/updates/main/z/zlib/zlib1g-dev_1.2.2-4.sarge.1_powerpc.deb

IBM S/390:

http://security.debian.org/pool/updates/main/z/zlib/lib64z1_1.2.2-4.sarge.1_s390.deb

http://security.debian.org/pool/updates/main/z/zlib/lib64z1-dev_1.2.2-4.sarge.1_s390.deb

http://security.debian.org/pool/updates/main/z/zlib/zlib-bin_1.2.2-4.sarge.1_s390.deb

http://security.debian.org/pool/updates/main/z/zlib/zlib1g_1.2.2-4.sarge.1_s390.deb

http://security.debian.org/pool/updates/main/z/zlib/zlib1g-dev_1.2.2-4.sarge.1_s390.deb

Sun Sparc:

http://security.debian.org/pool/updates/main/z/zlib/lib64z1_1.2.2-4.sarge.1_sparc.deb

http://security.debian.org/pool/updates/main/z/zlib/lib64z1-dev_1.2.2-4.sarge.1_sparc.deb

http://security.debian.org/pool/updates/main/z/zlib/zlib-bin_1.2.2-4.sarge.1_sparc.deb

http://security.debian.org/pool/updates/main/z/zlib/zlib1g_1.2.2-4.sarge.1_sparc.deb

http://security.debian.org/pool/updates/main/z/zlib/zlib1g-dev_1.2.2-4.sarge.1_sparc.deb

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