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Vulnerability Summary for CVE-2010-4528

Original release date: 01/07/2011
Last revised: 11/02/2013


directconn.c in the MSN protocol plugin in libpurple 2.7.6 through 2.7.8 in Pidgin before 2.7.9 allows remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a short p2pv2 packet in a DirectConnect (aka direct connection) session.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.0 MEDIUM
Impact Subscore: 2.9
Exploitability Subscore: 8.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Required to exploit
Impact Type: Allows disruption of service

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External Source: CONFIRM
Name: http://developer.pidgin.im/viewmtn/revision/info/aaa07bde3c51d3684391ae6ed86b6dbaeab5d031
Type: Patch Information
External Source: BID
Name: 45581
External Source: CONFIRM
Name: http://www.pidgin.im/news/security/?id=49
Type: Advisory; Patch Information
External Source: OVAL
Name: oval:org.mitre.oval:def:18461
External Source: VUPEN
Name: ADV-2011-0054
External Source: MLIST
Name: [oss-security] 20101231 Re: CVE Request -- Pidgin v2.7.6 <= x <= v2.7.8 -- MSN DirectConnect DoS (crash due NULL ptr dereference) after receiving a short P2P message
Type: Patch Information
External Source: VUPEN
Name: ADV-2011-0076
External Source: VUPEN
Name: ADV-2011-0028
Type: Advisory
External Source: FEDORA
Name: FEDORA-2010-19314
External Source: MANDRIVA
Name: MDVSA-2010:259
External Source: FEDORA
Name: FEDORA-2010-19317
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=665421
External Source: CONFIRM
Name: http://developer.pidgin.im/viewmtn/revision/diff/e76f4ad4ef2f10588195a0eedc7a08f82062f79c/with/aaa07bde3c51d3684391ae6ed86b6dbaeab5d031/libpurple/protocols/msn/directconn.c
Type: Patch Information
External Source: SUSE
Name: SUSE-SR:2011:001
External Source: MLIST
Name: [support] 20101227 Pidgin 2.7.9 released
Type: Patch Information
External Source: MLIST
Name: [oss-security] 20101227 CVE Request -- Pidgin v2.7.6 <= x <= v2.7.8 -- MSN DirectConnect DoS (crash due NULL ptr dereference) after receiving a short P2P message
Type: Patch Information

Technical Details

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