Advisory Details

March 11th, 2010

Skype URI Processing Arbitrary XML File Deletion Vulnerability

ZDI-10-028
ZDI-CAN-516

CVE ID
CVSS SCORE 9.0, (AV:N/AC:L/Au:N/C:C/I:P/A:P)
AFFECTED VENDORS Skype
AFFECTED PRODUCTS Skype
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 8329. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS

This vulnerability allows remote attackers to remove arbitrary XML files 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 in Skype's handling of the 'skype-plugin:' protocol. An attacker can specify a malicious URI, that upon clicking, will trigger the deletion of an arbitrary attacker specified XML file.

ADDITIONAL DETAILS

Nothing.


DISCLOSURE TIMELINE
  • 2009-07-14 - Vulnerability reported to vendor
  • 2010-03-11 - Coordinated public release of advisory
CREDIT rgod
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