The remote host is missing an update to horde3 announced via advisory DSA 1033-1. Several remote vulnerabilities have been discovered in the Horde web application framework, which may lead to the execution of arbitrary web script code. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2005-4190 Several Cross-Site-Scripting vulnerabilities have been discovered in the share edit window. CVE-2006-1260 Null characters in the URL parameter bypass a sanity check, which allowed remote attackers to read arbitrary files, which allowed information disclosure. CVE-2006-1491 User input in the help viewer was passed unsanitised to the eval() function, which allowed injection of arbitrary web code. The old stable distribution (woody) doesn't contain horde3 packages.
For the stable distribution (sarge) these problems have been fixed in version 3.0.4-4sarge3. For the unstable distribution (sid) these problems have been fixed in version 3.1.1-1. We recommend that you upgrade your horde3 package. https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201033-1