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National Cyber Awareness System

Vulnerability Summary for CVE-2009-0647

Original release date:02/19/2009
Last revised:09/20/2011
Source: US-CERT/NIST

Overview

msnmsgr.exe in Windows Live Messenger (WLM) 2009 build 14.0.8064.206, and other 14.0.8064.x builds, allows remote attackers to cause a denial of service (application crash) via a modified header in a packet, as possibly demonstrated by a UTF-8.0 value of the charset field in the Content-Type header line. NOTE: this has been reported as a format string vulnerability by some sources, but the provenance of that information is unknown.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown

References to Advisories, Solutions, and Tools

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External Source: XF
Name: wlm-packets-dos(48810)
Hyperlink:http://xforce.iss.net/xforce/xfdb/48810
External Source: VUPEN
Name: ADV-2009-0466
Type: Advisory
Hyperlink:http://www.vupen.com/english/advisories/2009/0466
External Source: BID
Name: 33825
Hyperlink:http://www.securityfocus.com/bid/33825
External Source: BUGTRAQ
Name: 20090218 RE: hello bug in windows live messenger
Hyperlink:http://www.securityfocus.com/archive/1/archive/1/501043/100/0/threaded
External Source: SECUNIA
Name: 33985
Type: Advisory
Hyperlink:http://secunia.com/advisories/33985

Vulnerable software and versions

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spacerspacerNav control image* cpe:/a:microsoft:windows_live_messenger:2009
* Denotes Vulnerable Software
* Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
CVE Standard Vulnerability Entry:http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0647