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    Debian: DSA-2863-1: libtar security update

    Date 18 Feb 2014
    112
    Posted By LinuxSecurity Advisories
    A directory traversal attack was reported against libtar, a C library for manipulating tar archives. The application does not validate the filenames inside the tar archive, allowing to extract files in arbitrary path. An attacker can craft a tar file to override files beyond the
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    Debian Security Advisory DSA-2863-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                             Luciano Bello
    February 18, 2014                      https://www.debian.org/security/faq
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    Package        : libtar
    Vulnerability  : directory traversal
    CVE ID         : CVE-2013-4420
    Debian Bug     : 731860
    
    A directory traversal attack was reported against libtar, a C library for
    manipulating tar archives. The application does not validate the
    filenames inside the tar archive, allowing to extract files in arbitrary
    path. An attacker can craft a tar file to override files beyond the
    tar_extract_glob and tar_extract_all prefix parameter.
    
    For the oldstable distribution (squeeze), this problem has been fixed in
    version 1.2.11-6+deb6u2.
    
    For the stable distribution (wheezy), this problem has been fixed in
    version 1.2.16-1+deb7u2.
    
    For the unstable distribution (sid), this problem has been fixed in
    version 1.2.20-2.
    
    We recommend that you upgrade your libtar packages.
    
    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://www.debian.org/security/
    
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
    

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