ZDI-07-070: Skype skype4com URI Handler Remote Heap Corruption Vulnerability
ZDI-07-070: Skype skype4com URI Handler Remote Heap Corruption
Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-07-070.html
December 6, 2007
-- CVE ID:
CVE-2007-5989
-- Affected Vendor:
Skype
-- Affected Products:
Skype < 3.6 GOLD
-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 5752.
For further product information on the TippingPoint IPS:
http://www.tippingpoint.com
-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Skype. User interaction is required to
exploit this vulnerability in that the target must visit a malicious
page.
The specific flaw exists within the 'skype4com' URI handler created by
Skype during installation. When processing short string values through
this handler an exploitable memory corruption may occur which can
result in arbitrary code execution under the context of the current
user.
-- Vendor Response:
Skype has corrected this issue as of 11/15/2007. All clients updated or
installed as of that date are patched to this issue.
-- Disclosure Timeline:
2007.11.02 - Vulnerability reported to vendor
2007.12.06 - Coordinated public release of advisory
-- Credit:
This vulnerability was discovered by an anonymous researcher.
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http://www.zerodayinitiative.com
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