Linux Security
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    Linux Security

    Debian: New tar packages fix arbitrary file overwrite

    Date
    5564
    Posted By
    Teemu Salmela discovered a vulnerability in GNU tar that could allow a malicious user to overwrite arbitrary files by inducing the victim to attempt to extract a specially crafted tar file containing a GNUTYPE_NAMES record with a symbolic link.
    - ------------------------------------------------------------------------
    Debian Security Advisory DSA-1223-1                  This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                           Noah Meyerhans
    December 01, 2006
    - ------------------------------------------------------------------------
    
    Package        : tar
    Vulnerability  : input validation error
    Problem type   : local
    Debian-specific: no
    CVE Id(s)      : CVE-2006-6097
    BugTraq ID     : 21235
    Debian Bug     : 399845
    
    Teemu Salmela discovered a vulnerability in GNU tar that could allow a
    malicious user to overwrite arbitrary files by inducing the victim to
    attempt to extract a specially crafted tar file containing a
    GNUTYPE_NAMES record with a symbolic link.
    
    For the stable distribution (sarge), this problem has been fixed in
    version 1.14-2.3
    
    For the unstable distribution (sid) and the forthcoming stable release
    (etch), this problem will be fixed in version 1.16-2.
    
    We recommend that you upgrade your tar 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 3.1 (stable)
    - -------------------
    
    Stable updates are available for alpha, amd64, arm, hppa, i386, ia64, m68k, mips, mipsel, powerpc, s390 and sparc.
    
    Source archives:
    
      https://security.debian.org/pool/updates/main/t/tar/tar_1.14.orig.tar.gz
        Size/MD5 checksum:  1485633 3094544702b1affa32d969f0b6459663
      https://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3.diff.gz
        Size/MD5 checksum:    51004 d6513454cbe12eec5908c2b41253f843
      https://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3.dsc
        Size/MD5 checksum:      554 85503d4264d7b39c7969051c3661fa96
    
    alpha architecture (DEC Alpha)
    
      https://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_alpha.deb
        Size/MD5 checksum:   520736 4b14a87c6e8b4dda327d802eddcf9af7
    
    amd64 architecture (AMD x86_64 (AMD64))
    
      https://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_amd64.deb
        Size/MD5 checksum:   503902 98a8169210eb273252a7997c726c4333
    
    arm architecture (ARM)
    
      https://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_arm.deb
        Size/MD5 checksum:   500266 49ef1817d4ee1753f66bd37be8f91455
    
    hppa architecture (HP PA RISC)
    
      https://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_hppa.deb
        Size/MD5 checksum:   517810 5f48745a747ee36c330d97f3bc5cc980
    
    i386 architecture (Intel ia32)
    
      https://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_i386.deb
        Size/MD5 checksum:   499560 c764b0894f6c3317a78124177cfed9fe
    
    ia64 architecture (Intel ia64)
    
      https://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_ia64.deb
        Size/MD5 checksum:   543432 0dc8b4d66a82d05d7b68f2dbee960791
    
    m68k architecture (Motorola Mc680x0)
    
      https://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_m68k.deb
        Size/MD5 checksum:   489058 381e468152e0a5a37113f412f13d85a7
    
    mips architecture (MIPS (Big Endian))
    
      https://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_mips.deb
        Size/MD5 checksum:   520512 29bc4c6133bfeb259175fea45277a647
    
    mipsel architecture (MIPS (Little Endian))
    
      https://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_mipsel.deb
        Size/MD5 checksum:   520258 ed3b0aadf8720c97a1df6334a90efe3c
    
    powerpc architecture (PowerPC)
    
      https://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_powerpc.deb
        Size/MD5 checksum:   506908 3a57a912dc159ee20d47ca1591a68619
    
    s390 architecture (IBM S/390)
    
      https://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_s390.deb
        Size/MD5 checksum:   511972 79cb92aaeee839c2d82efe743a8cea59
    
    sparc architecture (Sun SPARC/UltraSPARC)
    
      https://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_sparc.deb
        Size/MD5 checksum:   499698 d260b9f5db00b12414d6136c63e37202
    
    
      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.
    

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