Explain CVE-2011-1091
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.
Affected Products: n/a
References: [{'name': 'ADV-2011-0661', 'tags': ['vdb-entry', 'x_refsource_VUPEN'], 'url': 'http://www.vupen.com/english/advisories/2011/0661'}, {'name': 'RHSA-2011:0616', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://www.redhat.com/support/errata/RHSA-2011-0616.html'}, {'name': 'openSUSE-SU-2012:0066', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'https://hermes.opensuse.org/messages/13195955'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://developer.pidgin.im/viewmtn/revision/diff/5cbe18129b6e7c660bc093f7e5e1414ceca17d04/with/a7c415abba1f5f01f79295337518837f73d99bb7/libpurple/protocols/yahoo/libymsg.c'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://www.pidgin.im/news/security/?id=51'}, {'name': '46837', 'tags': ['vdb-entry', 'x_refsource_BID'], 'url': 'http://www.securityfocus.com/bid/46837'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=683031'}, {'name': 'ADV-2011-0703', 'tags': ['vdb-entry', 'x_refsource_VUPEN'], 'url': 'http://www.vupen.com/english/advisories/2011/0703'}, {'name': 'FEDORA-2011-3150', 'tags': ['vendor-advisory', 'x_refsource_FEDORA'], 'url': 'http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056309.html'}, {'name': '43721', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/43721'}, {'name': 'SSA:2011-070-02', 'tags': ['vendor-advisory', 'x_refsource_SLACKWARE'], 'url': 'http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.466884'}, {'name': 'pidgin-yahoo-protocol-dos(66055)', 'tags': ['vdb-entry', 'x_refsource_XF'], 'url': 'https://exchange.xforce.ibmcloud.com/vulnerabilities/66055'}, {'name': '46376', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/46376'}, {'name': '43695', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/43695'}, {'name': 'RHSA-2011:1371', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://www.redhat.com/support/errata/RHSA-2011-1371.html'}, {'name': 'oval:org.mitre.oval:def:18402', 'tags': ['vdb-entry', 'signature', 'x_refsource_OVAL'], 'url': 'https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18402'}, {'name': 'ADV-2011-0669', 'tags': ['vdb-entry', 'x_refsource_VUPEN'], 'url': 'http://www.vupen.com/english/advisories/2011/0669'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://developer.pidgin.im/viewmtn/revision/info/a7c415abba1f5f01f79295337518837f73d99bb7'}, {'name': 'FEDORA-2011-3113', 'tags': ['vendor-advisory', 'x_refsource_FEDORA'], 'url': 'http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055874.html'}, {'name': 'ADV-2011-0643', 'tags': ['vdb-entry', 'x_refsource_VUPEN'], 'url': 'http://www.vupen.com/english/advisories/2011/0643'}]
CVE State: PUBLISHED