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  • [SECURITY] [DSA 2316-1] quagga security update

    From Florian Weimer@1:229/2 to All on Wed Oct 5 21:00:02 2011
    From: [email protected]

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    - ------------------------------------------------------------------------- Debian Security Advisory DSA-2316-1 [email protected] http://www.debian.org/security/ Florian Weimer October 05, 2011 http://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package : quagga
    Vulnerability : several
    Problem type : remote
    Debian-specific: no
    CVE ID : CVE-2011-3323 CVE-2011-3324 CVE-2011-3325 CVE-2011-3326 CVE-2011-3327

    Riku Hietamaki, Tuomo Untinen and Jukka Taimisto discovered several vulnerabilities in Quagga, an Internet routing daemon:

    CVE-2011-3323
    A stack-based buffer overflow while decoding Link State Update
    packets with a malformed Inter Area Prefix LSA can cause the
    ospf6d process to crash or (potentially) execute arbitrary
    code.

    CVE-2011-3324
    The ospf6d process can crash while processing a Database
    Description packet with a crafted Link-State-Advertisement.

    CVE-2011-3325
    The ospfd process can crash while processing a crafted Hello
    packet.

    CVE-2011-3326
    The ospfd process crashes while processing
    Link-State-Advertisements of a type not known to Quagga.

    CVE-2011-3327
    A heap-based buffer overflow while processing BGP UPDATE
    messages containing an Extended Communities path attribute
    can cause the bgpd process to crash or (potentially) execute
    arbitrary code.

    The OSPF-related vulnerabilities require that potential attackers send
    packets to a vulnerable Quagga router; the packets are not distributed
    over OSPF. In contrast, the BGP UPDATE messages could be propagated
    by some routers.

    For the oldstable distribution (lenny), these problems have been fixed
    in version 0.99.10-1lenny6.

    For the stable distribution (squeeze), these problems have been fixed
    in version 0.99.17-2+squeeze3.

    For the testing distribution (wheezy) and the unstable distribution
    (sid), these problems have been fixed in version 0.99.19-1.

    We recommend that you upgrade your quagga 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: [email protected]
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