Debian: unzip directory traversal vulnerability

    Date26 Aug 2003
    CategoryDebian
    2187
    Posted ByLinuxSecurity Advisories
    A directory traversal vulnerability in UnZip 5.50 allows attackers tobypass a check for relative pathnames ("../") by placing certain invalidcharacters between the two "." characters.
    
    - --------------------------------------------------------------------------
    Debian Security Advisory DSA 344-2                     This email address is being protected from spambots. You need JavaScript enabled to view it. 
    http://www.debian.org/security/                             Matt Zimmerman
    August 26th, 2003                        http://www.debian.org/security/faq
    - --------------------------------------------------------------------------
    
    Package        : unzip
    Vulnerability  : directory traversal
    Problem-Type   : local
    Debian-specific: no
    CVE Ids        : CAN-2003-0282
    
    A directory traversal vulnerability in UnZip 5.50 allows attackers to
    bypass a check for relative pathnames ("../") by placing certain invalid
    characters between the two "." characters.  The fix which was
    implemented in DSA-344-1 may not have protected against all methods of
    exploiting this vulnerability.
    
    For the stable distribution (woody) this problem has been fixed in
    version 5.50-1woody2.
    
    For the unstable distribution (sid) this problem has been fixed in
    version 5.50-3.
    
    We recommend that you update your unzip 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/u/unzip/unzip_5.50-1woody2.dsc
          Size/MD5 checksum:      571 357a3df0f8b5db02ece036643391dcff
         http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody2.diff.gz
          Size/MD5 checksum:     5049 33fde5244d8309bc768ddc3a0b4e2f94
         http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50.orig.tar.gz
          Size/MD5 checksum:  1068379 6d27bcdf9b51d0ad0f78161d0f99582e
    
      Alpha architecture:
    
         http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody2_alpha.deb
          Size/MD5 checksum:   160152 de975e2f34dfb01474a50684330a42a3
    
      ARM architecture:
    
         http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody2_arm.deb
          Size/MD5 checksum:   139214 9d2c2b9ed700e0eb7ecefec83cca6ab9
    
      Intel IA-32 architecture:
    
         http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody2_i386.deb
          Size/MD5 checksum:   122516 6276a9184819b15202548cc0d256ea5b
    
      Intel IA-64 architecture:
    
         http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody2_ia64.deb
          Size/MD5 checksum:   190682 698db8f4c479b0ac4bd36be80bbb6e57
    
      HP Precision architecture:
    
         http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody2_hppa.deb
          Size/MD5 checksum:   146718 2a256d26b91722e8a61f2abc2749770c
    
      Motorola 680x0 architecture:
    
         http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody2_m68k.deb
          Size/MD5 checksum:   119336 c41cb95920762fd9a7da4ba51663cc48
    
      Big endian MIPS architecture:
    
         http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody2_mips.deb
          Size/MD5 checksum:   142810 69570ffd84f2388b62875d5167250fe4
    
      Little endian MIPS architecture:
    
         http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody2_mipsel.deb
          Size/MD5 checksum:   143294 921f33ce8514a2734475bf83de949adf
    
      PowerPC architecture:
    
         http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody2_powerpc.deb
          Size/MD5 checksum:   136226 0a28157fa0fbee952ac7751338831f7d
    
      IBM S/390 architecture:
    
         http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody2_s390.deb
          Size/MD5 checksum:   136788 d3cc767b0564ab5eb9b7157dd0373d45
    
      Sun Sparc architecture:
    
         http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody2_sparc.deb
          Size/MD5 checksum:   147282 68f85c2ff2340a0e5f9015718f975539
    
      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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