Linux Security
    Linux Security
    Linux Security

    Debian: a2ps arbitrary command execution fix

    Date 20 Dec 2004
    5986
    Posted By Joe Shakespeare
    Rudolf Polzer discovered a vulnerability in a2ps, a converter and pretty-printer for many formats to PostScript. The program did not escape shell meta characters properly which could lead to the execution of arbitrary commands as a privileged user if a2ps is installed as a printer filter.
    
    --------------------------------------------------------------------------
    Debian Security Advisory DSA 612-1                     This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                             Martin Schulze
    December 20th, 2004                     https://www.debian.org/security/faq
    --------------------------------------------------------------------------
    
    Package        : a2ps
    Vulnerability  : unsanitised input
    Problem-Type   : local
    Debian-specific: no
    CVE ID         : CAN-2004-1170
    BugTraq ID     : 11025
    Debian Bug     : 283134
    
    Rudolf Polzer discovered a vulnerability in a2ps, a converter and
    pretty-printer for many formats to PostScript.  The program did not
    escape shell meta characters properly which could lead to the
    execution of arbitrary commands as a privileged user if a2ps is
    installed as a printer filter.
    
    For the stable distribution (woody) this problem has been fixed in
    version 4.13b-16woody1
    
    For the unstable distribution (sid) this problem has been fixed in
    version 4.13b-4.2.
    
    We recommend that you upgrade your a2ps 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:
    
        https://security.debian.org/pool/updates/main/a/a2ps/a2ps_4.13b-16woody1.dsc
          Size/MD5 checksum:      725 dadf3ab28283daaf34edeb7c69a52646
        https://security.debian.org/pool/updates/main/a/a2ps/a2ps_4.13b-16woody1.diff.gz
          Size/MD5 checksum:    71239 61c84f71f4dcd123910d12264ba1f743
        https://security.debian.org/pool/updates/main/a/a2ps/a2ps_4.13b.orig.tar.gz
          Size/MD5 checksum:  1944289 0c8e0c31b08c14f7a7198ce967eb3281
    
      Alpha architecture:
    
        https://security.debian.org/pool/updates/main/a/a2ps/a2ps_4.13b-16woody1_alpha.deb
          Size/MD5 checksum:   910612 43af4a8ce22b403d25558ed7df881fba
    
      ARM architecture:
    
        https://security.debian.org/pool/updates/main/a/a2ps/a2ps_4.13b-16woody1_arm.deb
          Size/MD5 checksum:   858618 5596ea37b56f334ed06a482eabb2527b
    
      Intel IA-32 architecture:
    
        https://security.debian.org/pool/updates/main/a/a2ps/a2ps_4.13b-16woody1_i386.deb
          Size/MD5 checksum:   843376 a39e6b6c1c5bf1e43a5bdb88867d8627
    
      Intel IA-64 architecture:
    
        https://security.debian.org/pool/updates/main/a/a2ps/a2ps_4.13b-16woody1_ia64.deb
          Size/MD5 checksum:   980186 85c43da1b384d49f8fc5ccf91a79c666
    
      HP Precision architecture:
    
        https://security.debian.org/pool/updates/main/a/a2ps/a2ps_4.13b-16woody1_hppa.deb
          Size/MD5 checksum:   897322 53b0ba66e1c7a0840fe6373ce41cc666
    
      Motorola 680x0 architecture:
    
        https://security.debian.org/pool/updates/main/a/a2ps/a2ps_4.13b-16woody1_m68k.deb
          Size/MD5 checksum:   824770 56407eeee73a0316383d42250cb27f36
    
      Big endian MIPS architecture:
    
        https://security.debian.org/pool/updates/main/a/a2ps/a2ps_4.13b-16woody1_mips.deb
          Size/MD5 checksum:   886682 912156733c4da9fd438940ef741f5794
    
      Little endian MIPS architecture:
    
        https://security.debian.org/pool/updates/main/a/a2ps/a2ps_4.13b-16woody1_mipsel.deb
          Size/MD5 checksum:   886554 387d7b39f2ede04e518961ded2f4cb05
    
      PowerPC architecture:
    
        https://security.debian.org/pool/updates/main/a/a2ps/a2ps_4.13b-16woody1_powerpc.deb
          Size/MD5 checksum:   861318 c261076b51e733f972b75ce77510c807
    
      IBM S/390 architecture:
    
        https://security.debian.org/pool/updates/main/a/a2ps/a2ps_4.13b-16woody1_s390.deb
          Size/MD5 checksum:   854722 f5731e91bac335a40bf0b38efd134b4b
    
      Sun Sparc architecture:
    
        https://security.debian.org/pool/updates/main/a/a2ps/a2ps_4.13b-16woody1_sparc.deb
          Size/MD5 checksum:   852690 98bd7a3408de1f3154951f2ccf318e3d
    
    
      These files will probably be moved into the stable distribution on
      its next update.
    
    ---------------------------------------------------------------------------------
    For apt-get: deb https://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 https://packages.debian.org/
    
    

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