===================================================================== CERT-Renater Note d'Information No. 2004/VULN551 _____________________________________________________________________ DATE : 20/12/2004 HARDWARE PLATFORM(S) : / OPERATING SYSTEM(S) : Systems running zgv. ====================================================================== - -------------------------------------------------------------------------- Debian Security Advisory DSA 608-1 security@debian.org http://www.debian.org/security/ Martin Schulze December 14th, 2004 http://www.debian.org/security/faq - -------------------------------------------------------------------------- Package : zgv Vulnerability : integer overflows, unsanitised input Problem-Type : remote Debian-specific: no CVE ID : CAN-2004-1095 CAN-2004-0999 BugTraq ID : 11556 Several vulnerabilities have been discovered in zgv, an SVGAlib graphics viewer for the i386 architecture. The Common Vulnerabilities and Exposures Project identifies the following problems: CAN-2004-1095 Luke Macken and "infamous41md" independently discoverd multiple integer overflows in zgv. Remote exploitation of an integer overflow vulnerability could allow the execution of arbitrary code. CAN-2004-0999 Mikulas Patocka discovered that malicious multiple-image (e.g. animated) GIF images can cause a segmentation fault in zgv. For the stable distribution (woody) these problems have been fixed in version 5.5-3woody1. For the unstable distribution (sid) these problems will be fixed soon. We recommend that you upgrade your zgv package immediately. 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/z/zgv/zgv_5.5-3woody2.dsc Size/MD5 checksum: 601 f6114a026863db918a6bd9a6cc201a97 http://security.debian.org/pool/updates/main/z/zgv/zgv_5.5-3woody2.diff.gz Size/MD5 checksum: 8541 f501ad407808235577b2bc746ddfe4e6 http://security.debian.org/pool/updates/main/z/zgv/zgv_5.5.orig.tar.gz Size/MD5 checksum: 329235 629386a4df72f6ec007319bf12db1374 Intel IA-32 architecture: http://security.debian.org/pool/updates/main/z/zgv/zgv_5.5-3woody2_i386.deb Size/MD5 checksum: 211772 36e675c74bafb546e5f6fb0da36385c3 These files will probably be moved into the stable distribution on its next update. - --------------------------------------------------------------------------------- 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 Package info: `apt-cache show ' and http://packages.debian.org/ -----BEGIN PGP SIGNATURE----- ====================================================================== ========================================================= Les serveurs de référence du CERT-Renater http://www.urec.fr/securite http://www.cru.fr/securite http://www.renater.fr ========================================================= + CERT-RENATER | tel : 01-53-94-20-44 + + 151 bd de l'Hopital | fax : 01-53-94-20-41 + + 75013 Paris | email: certsvp@renater.fr + =========================================================