Vulnerability CVE-2010-0744


Published: 2010-04-20   Modified: 2012-02-13

Description:
aMSN (aka Alvaro's Messenger) 0.98.3 and earlier, when SSL is used, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) field or a Subject Alternative Name field of the X.509 certificate, which allows man-in-the-middle attackers to spoof an MSN server via an arbitrary certificate.

Type:

CWE-287

(Improper Authentication)

Vendor: Alvaro
Product: Alvaros messenger 
Version:
0.98.3
0.97
0.96
0.95
0.94
0.93
0.92
0.91
0.90
0.83

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.8/10
4.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None

 References:
http://www.vupen.com/english/advisories/2010/1109
http://www.securityfocus.com/bid/35507
http://www.openwall.com/lists/oss-security/2010/04/01/4
http://www.openwall.com/lists/oss-security/2010/03/10/4
http://www.opensource-archive.org/showthread.php?p=183821
http://secunia.com/advisories/39796
http://secunia.com/advisories/35621
http://seclists.org/bugtraq/2009/Jun/239
http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041079.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041046.html
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=572818
http://amsn.svn.sourceforge.net/viewvc/amsn/trunk/amsn/soap.tcl?r1=11891&r2=11991&pathrev=11991
http://amsn.svn.sourceforge.net/viewvc/amsn/trunk/amsn/sip.tcl?r1=11953&r2=11991&pathrev=11991
http://amsn.svn.sourceforge.net/viewvc/amsn/trunk/amsn/proxy.tcl?r1=11886&r2=11991&pathrev=11991
http://amsn.svn.sourceforge.net/viewvc/amsn/trunk/?view=log&pathrev=11991

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