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Home » Security Advisories» Debian » New xpcd packages fix buffer overflow

New xpcd packages fix buffer overflow

Steve Kemp discovered a buffer overflow in xpcd-svga which can be triggered by a long HOME environment variable. This vulnerability could be exploited by a local attacker to gain root privileges.

  • Vendor: Debian
  • Vendor ID: DSA 368-1
  • Date: August 08, 2003


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Debian Security Advisory DSA 368-1 [email protected]
http://www.debian.org/security/ Matt Zimmerman
August 8th, 2003 http://www.debian.org/security/faq
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Package : xpcd
Vulnerability : buffer overflow
Problem-Type : local
Debian-specific: no
CVE Ids : CAN-2003-0649

Steve Kemp discovered a buffer overflow in xpcd-svga which can be
triggered by a long HOME environment variable. This vulnerability
could be exploited by a local attacker to gain root privileges.

For the stable distribution (woody) this problem has been fixed in
version 2.08-8woody1.

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

We recommend that you update your xpcd package.

Upgrade Instructions
- --------------------

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 3.0 alias woody
- --------------------------------

Source archives:

http://security.debian.org/pool/updates/main/x/xpcd/xpcd_2.08-8woody1.dsc
Size/MD5 checksum: 706 4fb68483cbb6d45728f47e5c61b3eaff
http://security.debian.org/pool/updates/main/x/xpcd/xpcd_2.08-8woody1.diff.gz
Size/MD5 checksum: 14077 f0e7c9e426744ccf0bcfbce07197bfb3
http://security.debian.org/pool/updates/main/x/xpcd/xpcd_2.08.orig.tar.gz
Size/MD5 checksum: 103104 59bf5b8d0466ecb3c58ed1fffcdf499e

Alpha architecture:

http://security.debian.org/pool/updates/main/x/xpcd/xpcd_2.08-8woody1_alpha.deb
Size/MD5 checksum: 80992 68a06c0a55a1310f2f7bb04605ce2d68
http://security.debian.org/pool/updates/main/x/xpcd/xpcd-gimp_2.08-8woody1_alpha.deb
Size/MD5 checksum: 13352 bb4948c36af672bb59b16741ee35f3f1

ARM architecture:

http://security.debian.org/pool/updates/main/x/xpcd/xpcd_2.08-8woody1_arm.deb
Size/MD5 checksum: 67922 851e5199d0eff2f142ff1a0ae7dec210
http://security.debian.org/pool/updates/main/x/xpcd/xpcd-gimp_2.08-8woody1_arm.deb
Size/MD5 checksum: 11810 b6c7ee2ae9af286bd077bfb0bca66423

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/x/xpcd/xpcd_2.08-8woody1_i386.deb
Size/MD5 checksum: 64238 cfa0b813d7fda7c9b5dbe66700d3d13f
http://security.debian.org/pool/updates/main/x/xpcd/xpcd-gimp_2.08-8woody1_i386.deb
Size/MD5 checksum: 11708 280a130ec6054eca1f8f3b4be94b9744
http://security.debian.org/pool/updates/main/x/xpcd/xpcd-svga_2.08-8woody1_i386.deb
Size/MD5 checksum: 20822 5cb42524e3ce21f35bc43aa5ef7f9967

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/x/xpcd/xpcd_2.08-8woody1_ia64.deb
Size/MD5 checksum: 97682 249299d45d8a1539799969d2eb82ecf9
http://security.debian.org/pool/updates/main/x/xpcd/xpcd-gimp_2.08-8woody1_ia64.deb
Size/MD5 checksum: 15310 4218754ba8daa1991e67ea7dada45c0a

HP Precision architecture:

http://security.debian.org/pool/updates/main/x/xpcd/xpcd_2.08-8woody1_hppa.deb
Size/MD5 checksum: 73288 1cf15bb993b1c4f4d648b0a87f021da4
http://security.debian.org/pool/updates/main/x/xpcd/xpcd-gimp_2.08-8woody1_hppa.deb
Size/MD5 checksum: 12800 fb8bd7ac68ce65630c4678de898b9702

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/x/xpcd/xpcd_2.08-8woody1_m68k.deb
Size/MD5 checksum: 62626 45a7e74314164cfbf6de164da91331f6
http://security.debian.org/pool/updates/main/x/xpcd/xpcd-gimp_2.08-8woody1_m68k.deb
Size/MD5 checksum: 11488 6c68962e1cc32a221ebe11357790f21e

Big endian MIPS architecture:

http://security.debian.org/pool/updates/main/x/xpcd/xpcd_2.08-8woody1_mips.deb
Size/MD5 checksum: 73488 43e5783d423f3054a57b55d95bd0d214
http://security.debian.org/pool/updates/main/x/xpcd/xpcd-gimp_2.08-8woody1_mips.deb
Size/MD5 checksum: 12594 72855f1617071135eebee4c12867a26a

Little endian MIPS architecture:

http://security.debian.org/pool/updates/main/x/xpcd/xpcd_2.08-8woody1_mipsel.deb
Size/MD5 checksum: 73164 9d006b85dc71297638479002a0260fe0
http://security.debian.org/pool/updates/main/x/xpcd/xpcd-gimp_2.08-8woody1_mipsel.deb
Size/MD5 checksum: 12558 ccffee63fc2c8c35e5a87ce0cb450a37

PowerPC architecture:

http://security.debian.org/pool/updates/main/x/xpcd/xpcd_2.08-8woody1_powerpc.deb
Size/MD5 checksum: 68436 752053140f35df568c14c8abc5f2e7ef
http://security.debian.org/pool/updates/main/x/xpcd/xpcd-gimp_2.08-8woody1_powerpc.deb
Size/MD5 checksum: 11896 fbbd067d762d0d6f7ba4e2a92dd67397

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/x/xpcd/xpcd_2.08-8woody1_s390.deb
Size/MD5 checksum: 69600 60c613113c20c8bf80b1a9d44836697b
http://security.debian.org/pool/updates/main/x/xpcd/xpcd-gimp_2.08-8woody1_s390.deb
Size/MD5 checksum: 12486 8b63fbf6feeaaf4a3b1c64674bcfca9b

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/x/xpcd/xpcd_2.08-8woody1_sparc.deb
Size/MD5 checksum: 72736 db142879397f6e3723641acee424f3b5
http://security.debian.org/pool/updates/main/x/xpcd/xpcd-gimp_2.08-8woody1_sparc.deb
Size/MD5 checksum: 11780 3acbff9fae774d384aa8546048a2ea40

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

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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: [email protected]
Package info: `apt-cache show ' and http://packages.debian.org/
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