DSA-1796-1 libwmf -- pointer use-after-free

Debian Security Advisory

DSA-1796-1 libwmf -- pointer use-after-free

Date Reported:

07 May 2009

Affected Packages:

libwmf

Vulnerable:

Yes

Security database references:

In the Debian bugtracking system: Bug 526434.
In Mitre's CVE dictionary: CVE-2009-1364.

More information:

Tavis Ormandy discovered that the embedded GD library copy in libwmf, a library to parse windows metafiles (WMF), makes use of a pointer after it was already freed. An attacker using a crafted WMF file can cause a denial of service or possibly the execute arbitrary code via applications using this library.

For the oldstable distribution (etch), this problem has been fixed in version 0.2.8.4-2+etch4.

For the stable distribution (lenny), this problem has been fixed in version 0.2.8.4-6+lenny1.

For the testing distribution (squeeze), this problem will be fixed soon.

For the unstable distribution (sid), this problem has been fixed in version 0.2.8.4-6.1.

We recommend that you upgrade your libwmf packages.

Fixed in:

Debian GNU/Linux 4.0 (etch)

Source:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf_0.2.8.4-2+etch4.diff.gz

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf_0.2.8.4-2+etch4.dsc

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf_0.2.8.4.orig.tar.gz

Architecture-independent component:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-doc_0.2.8.4-2+etch4_all.deb

Alpha:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-bin_0.2.8.4-2+etch4_alpha.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-dev_0.2.8.4-2+etch4_alpha.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf0.2-7_0.2.8.4-2+etch4_alpha.deb

AMD64:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-bin_0.2.8.4-2+etch4_amd64.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf0.2-7_0.2.8.4-2+etch4_amd64.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-dev_0.2.8.4-2+etch4_amd64.deb

ARM:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-bin_0.2.8.4-2+etch4_arm.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-dev_0.2.8.4-2+etch4_arm.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf0.2-7_0.2.8.4-2+etch4_arm.deb

HP Precision:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-dev_0.2.8.4-2+etch4_hppa.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf0.2-7_0.2.8.4-2+etch4_hppa.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-bin_0.2.8.4-2+etch4_hppa.deb

Intel IA-32:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-bin_0.2.8.4-2+etch4_i386.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf0.2-7_0.2.8.4-2+etch4_i386.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-dev_0.2.8.4-2+etch4_i386.deb

Intel IA-64:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-dev_0.2.8.4-2+etch4_ia64.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-bin_0.2.8.4-2+etch4_ia64.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf0.2-7_0.2.8.4-2+etch4_ia64.deb

Big-endian MIPS:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-dev_0.2.8.4-2+etch4_mips.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf0.2-7_0.2.8.4-2+etch4_mips.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-bin_0.2.8.4-2+etch4_mips.deb

PowerPC:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf0.2-7_0.2.8.4-2+etch4_powerpc.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-dev_0.2.8.4-2+etch4_powerpc.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-bin_0.2.8.4-2+etch4_powerpc.deb

IBM S/390:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-bin_0.2.8.4-2+etch4_s390.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-dev_0.2.8.4-2+etch4_s390.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf0.2-7_0.2.8.4-2+etch4_s390.deb

Sun Sparc:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf0.2-7_0.2.8.4-2+etch4_sparc.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-dev_0.2.8.4-2+etch4_sparc.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-bin_0.2.8.4-2+etch4_sparc.deb

Debian GNU/Linux 5.0 (lenny)

Source:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf_0.2.8.4-6+lenny1.diff.gz

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf_0.2.8.4.orig.tar.gz

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf_0.2.8.4-6+lenny1.dsc

Architecture-independent component:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-doc_0.2.8.4-6+lenny1_all.deb

Alpha:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-bin_0.2.8.4-6+lenny1_alpha.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-dev_0.2.8.4-6+lenny1_alpha.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf0.2-7_0.2.8.4-6+lenny1_alpha.deb

AMD64:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-bin_0.2.8.4-6+lenny1_amd64.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf0.2-7_0.2.8.4-6+lenny1_amd64.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-dev_0.2.8.4-6+lenny1_amd64.deb

ARM:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-bin_0.2.8.4-6+lenny1_arm.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf0.2-7_0.2.8.4-6+lenny1_arm.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-dev_0.2.8.4-6+lenny1_arm.deb

ARM EABI:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf0.2-7_0.2.8.4-6+lenny1_armel.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-bin_0.2.8.4-6+lenny1_armel.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-dev_0.2.8.4-6+lenny1_armel.deb

HP Precision:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-bin_0.2.8.4-6+lenny1_hppa.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf0.2-7_0.2.8.4-6+lenny1_hppa.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-dev_0.2.8.4-6+lenny1_hppa.deb

Intel IA-32:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf0.2-7_0.2.8.4-6+lenny1_i386.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-dev_0.2.8.4-6+lenny1_i386.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-bin_0.2.8.4-6+lenny1_i386.deb

Intel IA-64:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-bin_0.2.8.4-6+lenny1_ia64.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-dev_0.2.8.4-6+lenny1_ia64.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf0.2-7_0.2.8.4-6+lenny1_ia64.deb

Big-endian MIPS:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-bin_0.2.8.4-6+lenny1_mips.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-dev_0.2.8.4-6+lenny1_mips.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf0.2-7_0.2.8.4-6+lenny1_mips.deb

Little-endian MIPS:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-dev_0.2.8.4-6+lenny1_mipsel.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-bin_0.2.8.4-6+lenny1_mipsel.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf0.2-7_0.2.8.4-6+lenny1_mipsel.deb

PowerPC:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-dev_0.2.8.4-6+lenny1_powerpc.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-bin_0.2.8.4-6+lenny1_powerpc.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf0.2-7_0.2.8.4-6+lenny1_powerpc.deb

IBM S/390:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-dev_0.2.8.4-6+lenny1_s390.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-bin_0.2.8.4-6+lenny1_s390.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf0.2-7_0.2.8.4-6+lenny1_s390.deb

Sun Sparc:

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf0.2-7_0.2.8.4-6+lenny1_sparc.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-dev_0.2.8.4-6+lenny1_sparc.deb

http://security.debian.org/pool/updates/main/libw/libwmf/libwmf-bin_0.2.8.4-6+lenny1_sparc.deb

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