CVE-2011-1091 Information

Description

libymsg.c in the Yahoo! protocol plugin in libpurple in Pidgin 2.6.0 through 2.7.10 allows (1) remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG notification packet and allows (2) remote Yahoo! servers to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG SMS message.

Reference

http://developer.pidgin.im/viewmtn/revision/diff/5cbe18129b6e7c660bc093f7e5e1414ceca17d04/with/a7c415abba1f5f01f79295337518837f73d99bb7/libpurple/protocols/yahoo/libymsg.c http://developer.pidgin.im/viewmtn/revision/info/a7c415abba1f5f01f79295337518837f73d99bb7 http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055874.html http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056309.html http://secunia.com/advisories/43695 http://secunia.com/advisories/43721 http://secunia.com/advisories/46376 http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.466884 http://www.pidgin.im/news/security/?id=51 http://www.redhat.com/support/errata/RHSA-2011-0616.html http://www.redhat.com/support/errata/RHSA-2011-1371.html http://www.securityfocus.com/bid/46837 http://www.vupen.com/english/advisories/2011/0643 http://www.vupen.com/english/advisories/2011/0661 http://www.vupen.com/english/advisories/2011/0669 http://www.vupen.com/english/advisories/2011/0703 https://bugzilla.redhat.com/show_bug.cgi?id=683031 https://exchange.xforce.ibmcloud.com/vulnerabilities/66055 https://hermes.opensuse.org/messages/13195955 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A18402