Debian: DSA-2663-1: tinc security update

    Date22 Apr 2013
    CategoryDebian
    305
    Posted ByLinuxSecurity Advisories
    Martin Schobert discovered a stack-based vulnerability in tinc, a virtual private network daemon. When packets are forwarded via TCP, packet length is not checked against
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    Debian Security Advisory DSA-2663-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    http://www.debian.org/security/                         Yves-Alexis Perez
    April 22, 2013                         http://www.debian.org/security/faq
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    Package        : tinc
    Vulnerability  : stack based buffer overflow
    Problem type   : remote
    Debian-specific: no
    CVE ID         : CVE-2013-1428
    
    Martin Schobert discovered a stack-based vulnerability in tinc, a virtual
    private network daemon.
    
    When packets are forwarded via TCP, packet length is not checked against
    the stack buffer length. Authenticated peers could use this to crash the
    tinc daemon and maybe execute arbitrary code.
    
    Note that on Wheezy and Sid, tinc is built using hardening flags and
    especially stack smashing protection, which should help protect against
    arbitrary code execution.
    
    For the stable distribution (squeeze), this problem has been fixed in
    version 1.0.13-1+squeeze1.
    
    For the testing distribution (wheezy), this problem has been fixed in
    version 1.0.19-3.
    
    For the unstable distribution (sid), this problem has been fixed in
    version 1.0.19-3.
    
    We recommend that you upgrade your tinc packages.
    
    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: http://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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