Test ID:	1.3.6.1.4.1.25623.1.0.801764
Category:	Denial of Service
Title:	Pidgin Yahoo Protocol 'YMSG' NULL Pointer Dereference DoS Vulnerability - Windows
Summary:	Pidgin is prone to a denial of service (DoS) vulnerability.
Description:	Summary: Pidgin is prone to a denial of service (DoS) vulnerability. Vulnerability Insight: The flaw is due to a NULL pointer dereference error when processing certain YMSG packets, which can be exploited to crash the process by sending specially crafted YMSG packets. Vulnerability Impact: Successful exploitation will allow attacker to crash the affected application, denying service to legitimate users. Affected Software/OS: Pidgin version 2.6.0 through 2.7.10 on Windows. Solution: Update to version 2.7.11 or later. CVSS Score: 4.0 CVSS Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2011-1091 43695 http://secunia.com/advisories/43695 43721 http://secunia.com/advisories/43721 46376 http://secunia.com/advisories/46376 46837 http://www.securityfocus.com/bid/46837 ADV-2011-0643 http://www.vupen.com/english/advisories/2011/0643 ADV-2011-0661 http://www.vupen.com/english/advisories/2011/0661 ADV-2011-0669 http://www.vupen.com/english/advisories/2011/0669 ADV-2011-0703 http://www.vupen.com/english/advisories/2011/0703 FEDORA-2011-3113 http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055874.html FEDORA-2011-3150 http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056309.html RHSA-2011:0616 http://www.redhat.com/support/errata/RHSA-2011-0616.html RHSA-2011:1371 http://www.redhat.com/support/errata/RHSA-2011-1371.html SSA:2011-070-02 http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.466884 http://developer.pidgin.im/viewmtn/revision/diff/5cbe18129b6e7c660bc093f7e5e1414ceca17d04/with/a7c415abba1f5f01f79295337518837f73d99bb7/libpurple/protocols/yahoo/libymsg.c http://developer.pidgin.im/viewmtn/revision/info/a7c415abba1f5f01f79295337518837f73d99bb7 http://www.pidgin.im/news/security/?id=51 https://bugzilla.redhat.com/show_bug.cgi?id=683031 openSUSE-SU-2012:0066 https://hermes.opensuse.org/messages/13195955 oval:org.mitre.oval:def:18402 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18402 pidgin-yahoo-protocol-dos(66055) https://exchange.xforce.ibmcloud.com/vulnerabilities/66055
Copyright	Copyright (C) 2011 Greenbone AG

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