Integer signedness error in the xrealloc function (rdesktop.c) in RDesktop...

Vulnerability 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.

References

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