National Cyber Awareness System
Vulnerability Summary for CVE-2011-3594
Original release date:11/04/2011
Last revised:01/05/2012
Source:
US-CERT/NIST
Overview
The g_markup_escape_text function in the SILC protocol plug-in in libpurple 2.10.0 and earlier, as used in Pidgin and possibly other products, allows remote attackers to cause a denial of service (crash) via invalid UTF-8 sequences that trigger use of invalid pointers and an out-of-bounds read, related to interactions with certain versions of glib2.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
References to Advisories, Solutions, and Tools
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External Source: MISC
Name: https://bugzilla.redhat.com/show_bug.cgi?id=743481
External Source: REDHAT
Name: RHSA-2011:1371
External Source: MANDRIVA
Name: MDVSA-2011:183
External Source: SECUNIA
Name: 46376
Type: Advisory
External Source: CONFIRM
Name: http://pidgin.im/news/security/?id=56
External Source: MISC
Name: http://developer.pidgin.im/viewmtn/revision/diff/be5e66abad2af29604bc794cc4c6600ab12751f3/with/7eb1f6d56cc58bbb5b56b7df53955d36b9b419b8
External Source: CONFIRM
Name: http://developer.pidgin.im/ticket/14636
