Debian: New libtk-img packages fix arbitrary code execution
Posted by Benjamin D. Thomas   
Debian It was discovered that a buffer overflow in the GIF image parsing code of Tk, a cross-platform graphical toolkit, could lead to denial of service and potentially the execution of arbitrary code.
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Debian Security Advisory DSA-1598-1                  security@debian.org
http://www.debian.org/security/                          Thijs Kinkhorst
June 19, 2008                         http://www.debian.org/security/faq
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Package        : libtk-img
Vulnerability  : buffer overflow
Problem type   : local (remote)
Debian-specific: no
CVE Id(s)      : CVE-2008-0553

It was discovered that a buffer overflow in the GIF image parsing code
of Tk, a cross-platform graphical toolkit, could lead to denial of
service and potentially the execution of arbitrary code.

For the stable distribution (etch), this problem has been fixed in version
1:1.3-15etch2.

For the unstable distribution (sid), this problem has been fixed in
version 1:1.3-release-7.

We recommend that you upgrade your libtk-img package.

Upgrade instructions
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wget url
        will fetch the file for you
dpkg -i file.deb
        will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
        will update the internal database
apt-get upgrade
        will install corrected packages

You may use an automated update by adding the resources from the
footer to the proper configuration.


Debian GNU/Linux 4.0 alias etch
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Source archives:

  http://security.debian.org/pool/updates/main/libt/libtk-img/libtk-img_1.3-15etch2.dsc
    Size/MD5 checksum:      955 899003c10c63f4045b6df8ef32d3fafe
  http://security.debian.org/pool/updates/main/libt/libtk-img/libtk-img_1.3.orig.tar.gz
    Size/MD5 checksum:  3918119 ee19a7fdaaa64e9d85eeecd3b78bce8f
  http://security.debian.org/pool/updates/main/libt/libtk-img/libtk-img_1.3-15etch2.diff.gz
    Size/MD5 checksum:   242795 deb7118d93d3657201e4892c0e62e1d2

amd64 architecture (AMD x86_64 (AMD64))

  http://security.debian.org/pool/updates/main/libt/libtk-img/libtk-img_1.3-15etch2_amd64.deb
    Size/MD5 checksum:   461706 7394a577a99522bdabcf6016dcc05de7

arm architecture (ARM)

  http://security.debian.org/pool/updates/main/libt/libtk-img/libtk-img_1.3-15etch2_arm.deb
    Size/MD5 checksum:   435110 96a6c430a51de8914023256029ebac06

hppa architecture (HP PA RISC)

  http://security.debian.org/pool/updates/main/libt/libtk-img/libtk-img_1.3-15etch2_hppa.deb
    Size/MD5 checksum:   488468 78173de530e68252090369658db6dab7

i386 architecture (Intel ia32)

  http://security.debian.org/pool/updates/main/libt/libtk-img/libtk-img_1.3-15etch2_i386.deb
    Size/MD5 checksum:   431784 902eaac4fba63bccf7be864ff1242aa0

ia64 architecture (Intel ia64)

  http://security.debian.org/pool/updates/main/libt/libtk-img/libtk-img_1.3-15etch2_ia64.deb
    Size/MD5 checksum:   601570 4c004fd7d945b8f3e4591b5bf27ce0a8

mips architecture (MIPS (Big Endian))

  http://security.debian.org/pool/updates/main/libt/libtk-img/libtk-img_1.3-15etch2_mips.deb
    Size/MD5 checksum:   445292 33639ca7ed46125b98e503c2b82e34e8

mipsel architecture (MIPS (Little Endian))

  http://security.debian.org/pool/updates/main/libt/libtk-img/libtk-img_1.3-15etch2_mipsel.deb
    Size/MD5 checksum:   440938 20d279c06711eb509f42d48ac697ba9f

powerpc architecture (PowerPC)

  http://security.debian.org/pool/updates/main/libt/libtk-img/libtk-img_1.3-15etch2_powerpc.deb
    Size/MD5 checksum:   452162 8e87166cc45ccbf4c0a38ee36993f472

s390 architecture (IBM S/390)

  http://security.debian.org/pool/updates/main/libt/libtk-img/libtk-img_1.3-15etch2_s390.deb
    Size/MD5 checksum:   457402 2857259815207722d226c8fd90e78923

sparc architecture (Sun SPARC/UltraSPARC)

  http://security.debian.org/pool/updates/main/libt/libtk-img/libtk-img_1.3-15etch2_sparc.deb
    Size/MD5 checksum:   421954 686340dad232ce09f661569e37387b4d


  These files will probably be moved into the stable distribution on
  its next update.

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For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
Mailing list: debian-security-announce@lists.debian.org