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Debian: DSA-2249-1 Moderate: Jabberd14 DoS Attack Information

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 . -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ------------------------------------------------------------------------- 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 - ------------------------------------------------------------------------- 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. . Update jabberd14 to mitigate denial of service risks from billion laughs exploitation. Refer to advisory DSA-2249-1 for comprehensive information.. jabberd14, XMPP, denial of service, xml attack, security advisory. . LinuxSecurity.comTeam

Calendar 2 May 31, 2011 Debian
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