Linux Security
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    Linux Security

    Debian: New afuse packages fix privilege escalation

    Date 16 Jul 2008
    3661
    Posted By LinuxSecurity Advisories
    Anders Kaseorg discovered that afuse, an automounting file system in user-space, did not properly escape meta characters in paths. This allowed a local attacker with read access to the filesystem to execute commands as the owner of the filesystem.
    - ------------------------------------------------------------------------
    Debian Security Advisory DSA-1611-1                  This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                          Thijs Kinkhorst
    July 16, 2008                         https://www.debian.org/security/faq
    - ------------------------------------------------------------------------
    
    Package        : afuse
    Vulnerability  : privilege escalation
    Problem type   : local
    Debian-specific: no
    CVE Id(s)      : CVE-2008-2232
    Debian Bug     : 490921
    
    Anders Kaseorg discovered that afuse, an automounting file system
    in user-space, did not properly escape meta characters in paths.
    This allowed a local attacker with read access to the filesystem to
    execute commands as the owner of the filesystem.
    
    For the stable distribution (etch), this problem has been fixed in
    version 0.1.1-1+etch1.
    
    For the unstable distribution (sid), this problem has been fixed in
    version 0.2-3.
    
    We recommend that you upgrade your afuse (0.1.1-1+etch1) 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 4.0 alias etch
    - -------------------------------
    
    Source archives:
    
      https://security.debian.org/pool/updates/main/a/afuse/afuse_0.1.1-1+etch1.diff.gz
        Size/MD5 checksum:     3699 645246f8f338b76b6d6785fff9997c5a
      https://security.debian.org/pool/updates/main/a/afuse/afuse_0.1.1-1+etch1.dsc
        Size/MD5 checksum:      657 fe408099626f3bad3bc68d2717df2a9b
      https://security.debian.org/pool/updates/main/a/afuse/afuse_0.1.1.orig.tar.gz
        Size/MD5 checksum:    98171 95cce7d6ed8e984d0ff2d650e6beb167
    
    alpha architecture (DEC Alpha)
    
      https://security.debian.org/pool/updates/main/a/afuse/afuse_0.1.1-1+etch1_alpha.deb
        Size/MD5 checksum:    15476 465baebb172ecda5ed1e7bdd174fddac
    
    amd64 architecture (AMD x86_64 (AMD64))
    
      https://security.debian.org/pool/updates/main/a/afuse/afuse_0.1.1-1+etch1_amd64.deb
        Size/MD5 checksum:    14224 5e5dca72cb191bf0d435f770c62e07f5
    
    arm architecture (ARM)
    
      https://security.debian.org/pool/updates/main/a/afuse/afuse_0.1.1-1+etch1_arm.deb
        Size/MD5 checksum:    12448 f39bc75bceec2e8979a514bda07164d6
    
    hppa architecture (HP PA RISC)
    
      https://security.debian.org/pool/updates/main/a/afuse/afuse_0.1.1-1+etch1_hppa.deb
        Size/MD5 checksum:    14602 603022ee85f781d0c8c155936d432484
    
    i386 architecture (Intel ia32)
    
      https://security.debian.org/pool/updates/main/a/afuse/afuse_0.1.1-1+etch1_i386.deb
        Size/MD5 checksum:    13086 b422ac9cb737dd1fb7827eb6ea222bba
    
    ia64 architecture (Intel ia64)
    
      https://security.debian.org/pool/updates/main/a/afuse/afuse_0.1.1-1+etch1_ia64.deb
        Size/MD5 checksum:    17730 9fc41e69a8df1ddee15831b971ededb1
    
    mips architecture (MIPS (Big Endian))
    
      https://security.debian.org/pool/updates/main/a/afuse/afuse_0.1.1-1+etch1_mips.deb
        Size/MD5 checksum:    14232 69ebaa63e04dd9a16ad8ff5a772dc576
    
    mipsel architecture (MIPS (Little Endian))
    
      https://security.debian.org/pool/updates/main/a/afuse/afuse_0.1.1-1+etch1_mipsel.deb
        Size/MD5 checksum:    14282 9dabd8530851c9588c4927f53cf923d2
    
    powerpc architecture (PowerPC)
    
      https://security.debian.org/pool/updates/main/a/afuse/afuse_0.1.1-1+etch1_powerpc.deb
        Size/MD5 checksum:    13582 c6c86e8600353b4ff4ed66c9608fd7d0
    
    s390 architecture (IBM S/390)
    
      https://security.debian.org/pool/updates/main/a/afuse/afuse_0.1.1-1+etch1_s390.deb
        Size/MD5 checksum:    14154 b36cc8bab5a28d13430a18697bb4b85c
    
    sparc architecture (Sun SPARC/UltraSPARC)
    
      https://security.debian.org/pool/updates/main/a/afuse/afuse_0.1.1-1+etch1_sparc.deb
        Size/MD5 checksum:    12562 ff0fd7531cc011d032f74c78ae17ca0e
    
    
      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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