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CVE-2008-1803 - Dibranchiate Vicinity

Description

Integer signedness error in the xrealloc function (rdesktop.c) in RDesktop 1.5.0 allows remote attackers to execute arbitrary code via unknown parameters that trigger a heap-based overflow. NOTE: the role of the channel_process function was not specified by the original researcher.

Reference

http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=698 http://rdesktop.cvs.sourceforge.net/rdesktop/rdesktop/rdesktop.c?r1=1.161&r2=1.162&pathrev=HEAD http://sourceforge.net/mailarchive/message.php?msg_name=20080511065217.GA24455%40cse.unsw.EDU.AU http://www.debian.org/security/2008/dsa-1573 http://www.securityfocus.com/bid/29097 http://www.securitytracker.com/id?1019992 http://secunia.com/advisories/30118 http://www.redhat.com/archives/fedora-package-announce/2008-May/msg00244.html http://www.redhat.com/archives/fedora-package-announce/2008-May/msg00270.html http://www.redhat.com/archives/fedora-package-announce/2008-May/msg00296.html http://www.mandriva.com/security/advisories?name=MDVSA-2008:101 http://secunia.com/advisories/30248 http://security.gentoo.org/glsa/glsa-200806-04.xml http://secunia.com/advisories/31224 http://secunia.com/advisories/30713 http://www.redhat.com/support/errata/RHSA-2008-0575.html http://sunsolve.sun.com/search/document.do?assetkey=1-26-240708-1 http://www.ubuntu.com/usn/usn-646-1 http://secunia.com/advisories/31928 http://support.avaya.com/elmodocs2/security/ASA-2008-360.htm http://www.vupen.com/english/advisories/2008/2403 http://www.vupen.com/english/advisories/2008/1467/references https://exchange.xforce.ibmcloud.com/vulnerabilities/42277 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9800