Debian: New xtrlock packages fix authentication bypass

    Date20 Jan 2005
    CategoryDebian
    7382
    Posted ByJoe Shakespeare
    A buffer overflow has been discovered in xtrlock, a minimal X display lock program which can be exploited by a malicious local attacker to crash the lock program and take over the desktop session.
    - --------------------------------------------------------------------------
    Debian Security Advisory DSA 649-1                     This email address is being protected from spambots. You need JavaScript enabled to view it.
    http://www.debian.org/security/                             Martin Schulze
    January 20th, 2005                      http://www.debian.org/security/faq
    - --------------------------------------------------------------------------
    
    Package        : xtrlock
    Vulnerability  : buffer overflow
    Problem-Type   : local
    Debian-specific: no
    CVE ID         : CAN-2005-0079
    Debian Bug     : 278190 278191
    
    A buffer overflow has been discovered in xtrlock, a minimal X display
    lock program which can be exploited by a malicious local attacker to
    crash the lock program and take over the desktop session.
    
    For the stable distribution (woody) this problem has been fixed in
    version 2.0-6woody2.
    
    For the unstable distribution (sid) this problem has been fixed in
    version 2.0-9.
    
    We recommend that you upgrade your xtrlock 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/xtrlock/xtrlock_2.0-6woody2.dsc
          Size/MD5 checksum:      500 d39ea1ae4ee66338786d018406065022
        http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2.tar.gz
          Size/MD5 checksum:     6977 6e6cfc0627bb74bd5014b550c2ea7a5f
    
      Alpha architecture:
    
        http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_alpha.deb
          Size/MD5 checksum:     9604 d05e56b7856e770b1b43daaf43a0dc3d
    
      ARM architecture:
    
        http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_arm.deb
          Size/MD5 checksum:     8604 f0d46d569f47ecb8a138c9f91be6cdc6
    
      Intel IA-32 architecture:
    
        http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_i386.deb
          Size/MD5 checksum:     8730 63b6233b95553ffa59de4811c06a6502
    
      Intel IA-64 architecture:
    
        http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_ia64.deb
          Size/MD5 checksum:    10104 ab12fc340b57cb3cbd58cbb0e6e1c188
    
      HP Precision architecture:
    
        http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_hppa.deb
          Size/MD5 checksum:     8988 cd59712f225ec6d790ad608a8c0dac3a
    
      Motorola 680x0 architecture:
    
        http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_m68k.deb
          Size/MD5 checksum:     8606 abac92671aefe845c7fd609668a9f367
    
      Big endian MIPS architecture:
    
        http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_mips.deb
          Size/MD5 checksum:     8830 1a09a3a4e99e8c5f94a555ad8f9fc0c0
    
      Little endian MIPS architecture:
    
        http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_mipsel.deb
          Size/MD5 checksum:     8828 7f56d17dd068abe7cb99a47f2e328fc9
    
      PowerPC architecture:
    
        http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_powerpc.deb
          Size/MD5 checksum:     8636 cd7dfdba990035bc942e1c16844eefcd
    
      IBM S/390 architecture:
    
        http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_s390.deb
          Size/MD5 checksum:     9128 f85ab602c4160b29bdb98170114b2368
    
      Sun Sparc architecture:
    
        http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_sparc.deb
          Size/MD5 checksum:    11340 c5b11b174068e3b0ebc61aa5f6cf9412
    
    
      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.
    
    You are not authorised to post comments.

    Comments powered by CComment

    LinuxSecurity Poll

    What do you think of the articles on LinuxSecurity?

    No answer selected. Please try again.
    Please select either existing option or enter your own, however not both.
    Please select minimum 0 answer(s) and maximum 3 answer(s).
    /main-polls/24-what-do-you-think-of-the-quality-of-the-articles-on-linuxsecurity?task=poll.vote&format=json
    24
    radio
    [{"id":"87","title":"Excellent, don't change a thing!","votes":"25","type":"x","order":"1","pct":54.35,"resources":[]},{"id":"88","title":"Should be more technical","votes":"5","type":"x","order":"2","pct":10.87,"resources":[]},{"id":"89","title":"Should include more HOWTOs","votes":"16","type":"x","order":"3","pct":34.78,"resources":[]}]["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"]["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"]350
    bottom200

    We use cookies to provide and improve our services. By using our site, you consent to our Cookie Policy.