Debian: DSA-3213-1: arj security update

    Date06 Apr 2015
    CategoryDebian
    447
    Posted ByLinuxSecurity Advisories
    Multiple vulnerabilities have been discovered in arj, an open source version of the arj archiver. The Common Vulnerabilities and Exposures project identifies the following problems:
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-3213-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    http://www.debian.org/security/                      Salvatore Bonaccorso
    April 06, 2015                         http://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : arj
    CVE ID         : CVE-2015-0556 CVE-2015-0557 CVE-2015-2782
    Debian Bug     : 774015 774434 774435
    
    Multiple vulnerabilities have been discovered in arj, an open source
    version of the arj archiver. The Common Vulnerabilities and Exposures
    project identifies the following problems:
    
    CVE-2015-0556
    
        Jakub Wilk discovered that arj follows symlinks created during
        unpacking of an arj archive. A remote attacker could use this flaw
        to perform a directory traversal attack if a user or automated
        system were tricked into processing a specially crafted arj archive.
    
    CVE-2015-0557
    
        Jakub Wilk discovered that arj does not sufficiently protect from
        directory traversal while unpacking an arj archive containing file
        paths with multiple leading slashes. A remote attacker could use
        this flaw to write to arbitrary files if a user or automated system
        were tricked into processing a specially crafted arj archive.
    
    CVE-2015-2782
    
        Jakub Wilk and Guillem Jover discovered a buffer overflow
        vulnerability in arj. A remote attacker could use this flaw to cause
        an application crash or, possibly, execute arbitrary code with the
        privileges of the user running arj.
    
    For the stable distribution (wheezy), these problems have been fixed in
    version 3.10.22-10+deb7u1.
    
    For the upcoming stable distribution (jessie), these problems have been
    fixed in version 3.10.22-13.
    
    For the unstable distribution (sid), these problems have been fixed in
    version 3.10.22-13.
    
    We recommend that you upgrade your arj 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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