======================================================================
Secunia Research 09/11/2007
- Miranda "ext_yahoo_contact_added()" Format String Vulnerability -
======================================================================
Table of Contents
Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10
======================================================================
1) Affected Software
* Miranda IM version 0.7.1.
======================================================================
2) Severity
Rating: Less critical
Impact: System access
Where: Remote
======================================================================
3) Vendor's Description of Software
"Miranda IM is an open-source multi protocol instant messenger client
for Microsoft Windows. It's smaller, faster, easier!".
Product Link:
http://www.miranda-im.org/
======================================================================
4) Description of Vulnerabilities
Secunia Research has discovered a vulnerability in Miranda IM, which
can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to a format string error within
"ext_yahoo_contact_added()" in yahoo.c and can be exploited via a
"Y7 Buddy Authorization" packet containing format string specifiers.
Successful exploitation allows execution of arbitrary code, but
requires that the user e.g. is tricked into connecting to a malicious
server.
======================================================================
5) Solution
Fixed in the SVN repository.
======================================================================
6) Time Table
26/10/2007 - Vendor notified.
31/10/2007 - vendor replied.
09/11/2007 - Public disclosure.
======================================================================
7) Credits
Discovered by Secunia Research.
======================================================================
8) References
The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2007-5396 for the vulnerability.
======================================================================
9) About Secunia
Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:
https://www.flexera.com/
Secunia also provides a publicly accessible and comprehensive advisory
database as a service to the security community and private
individuals, who are interested in or concerned about IT-security.
Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the
security and reliability of software in general.
Secunia regularly hires new skilled team members. Check the URL below
to see currently vacant positions:
https://www.flexera.com/company/careers
Secunia offers a FREE mailing list called Secunia Security Advisories:
https://www.flexera.com/secunia_security_advisories/
======================================================================
10) Verification
Please verify this advisory by visiting the Secunia website:
https://www.flexera.com/about-us/secunia-research/advisories/sr-2007-89.html
Complete list of vulnerability reports published by Secunia Research:
https://www.flexera.com/about-us/secunia-research/advisories/
======================================================================