Debian: screen Privilege leak vulnerability

    Date05 Jan 2004
    CategoryDebian
    1958
    Posted ByLinuxSecurity Advisories
    Timo Sirainen reported a vulnerability in screen, a terminal multiplexor with VT100/ANSI terminal emulation, that can lead an attacker to gain group utmp privledges.
    
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    Debian Security Advisory DSA 408-1                     This email address is being protected from spambots. You need JavaScript enabled to view it. 
    http://www.debian.org/security/                             Martin Schulze
    January 5th, 2004                        http://www.debian.org/security/faq
    - --------------------------------------------------------------------------
    
    Package        : screen
    Vulnerability  : integer overflow
    Problem-Type   : local
    Debian-specific: no
    CVE ID         : CAN-2003-0972
    
    Timo Sirainen reported a vulnerability in screen, a terminal
    multiplexor with VT100/ANSI terminal emulation, that can lead an
    attacker to gain group utmp privledges.
    
    For the stable distribution (woody) this problem has been fixed in
    version 3.9.11-5woody1.
    
    For the unstable distribution (sid) this problem has been fixed in
    version 4.0.2-0.1.
    
    We recommend that you upgrade your screen 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/s/screen/screen_3.9.11-5woody1.dsc
          Size/MD5 checksum:      633 a1e5493005ceaf734b6128766d17a641
         http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1.diff.gz
          Size/MD5 checksum:    60531 7800e904a064adf3c2df56eea63270cc
         http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11.orig.tar.gz
          Size/MD5 checksum:   722396 19572f92404995e7b2dea8117204dd67
    
      Alpha architecture:
    
         http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1_alpha.deb
          Size/MD5 checksum:   523248 bc1770274cc8cf05e7035ec84601a43f
    
      ARM architecture:
    
         http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1_arm.deb
          Size/MD5 checksum:   480188 a6470b52e0a7ea519e017747267206dd
    
      Intel IA-32 architecture:
    
         http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1_i386.deb
          Size/MD5 checksum:   461518 4f787a996b5db04abcf3eaa2f5e4f730
    
      Intel IA-64 architecture:
    
         http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1_ia64.deb
          Size/MD5 checksum:   586442 7c8ccf8ff76925018e4eb2e8152bb7b3
    
      HP Precision architecture:
    
         http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1_hppa.deb
          Size/MD5 checksum:   500770 7da7c865e32afc18fe1bbd32f5843c4d
    
      Motorola 680x0 architecture:
    
         http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1_m68k.deb
          Size/MD5 checksum:   450656 96c4270b72b3aacbf68be80140335e24
    
      Big endian MIPS architecture:
    
         http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1_mips.deb
          Size/MD5 checksum:   494872 2c6255a232455a547fc35899b8dcd7f3
    
      Little endian MIPS architecture:
    
         http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1_mipsel.deb
          Size/MD5 checksum:   494260 b5d3bdc0e7c328d2f9af8e9c2ae28d7d
    
      PowerPC architecture:
    
         http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1_powerpc.deb
          Size/MD5 checksum:   484050 be22d939e6d308a039fd25b019dc5bcb
    
      IBM S/390 architecture:
    
         http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1_s390.deb
          Size/MD5 checksum:   474334 4ac4afeb09ec9cb2034383e48aaf097c
    
      Sun Sparc architecture:
    
         http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1_sparc.deb
          Size/MD5 checksum:   482754 38a376dd775ee0f8df32b84b015a4da3
    
    
      These files will probably be moved into the stable distribution on
      its next revision.
    
    - ---------------------------------------------------------------------------------
    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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