Debian: DSA-2249-1: jabberd14 security update

    Date31 May 2011
    CategoryDebian
    43
    Posted ByLinuxSecurity Advisories
    Wouter Coekaerts discovered that jabberd14, an instant messaging server using the Jabber/XMPP protocol, is vulnerable to the so-called "billion laughs" attack because it does not prevent entity expansion on received data. This allows an attacker to perform denial of service
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    Debian Security Advisory DSA-2249-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    http://www.debian.org/security/                                Nico Golde
    March 31, 2011                         http://www.debian.org/security/faq
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    Package        : jabberd14
    Vulnerability  : denial of service
    Problem type   : remote
    Debian-specific: no
    CVE ID         : CVE-2011-1754
    
    Wouter Coekaerts discovered that jabberd14, an instant messaging server
    using the Jabber/XMPP protocol, is vulnerable to the so-called
    "billion laughs" attack because it does not prevent entity expansion on
    received data.  This allows an attacker to perform denial of service
    attacks against the service by sending specially crafted XML data to it.
    
    
    The oldstable distribution (lenny), does not contain jabberd14.
    
    For the stable distribution (squeeze), this problem has been fixed in
    version 1.6.1.1-5+squeeze1.
    
    For the testing distribution (wheezy), this problem will be fixed soon.
    
    For the unstable distribution (sid), this problem has been fixed in
    version 1.6.1.1-5.1
    
    
    We recommend that you upgrade your jabberd14 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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