Debian: zgv arbitrary code execution fix

    Date14 Dec 2004
    CategoryDebian
    6513
    Posted ByJoe Shakespeare
    Several vulnerabilities have been discovered in zgv, an SVGAlib graphics viewer for the i386 architecture.
    
    --------------------------------------------------------------------------
    Debian Security Advisory DSA 608-1                     This email address is being protected from spambots. You need JavaScript enabled to view it.
    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: This email address is being protected from spambots. You need JavaScript enabled to view it.
    Package info: `apt-cache show ' and http://packages.debian.org/
    
    
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