Advisory Details

May 21st, 2008

IBM Lotus Sametime Community Services Multiplexer Stack Overflow Vulnerability

ZDI-08-028
ZDI-CAN-247

CVE ID CVE-2008-2499
CVSS SCORE
AFFECTED VENDORS IBM
AFFECTED PRODUCTS Lotus Sametime
TIPPINGPOINT™ IPS CUSTOMER PROTECTION TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 5607, 5698. 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 IBM Lotus Sametime. Authentication is not required to exploit this vulnerability.

The specific flaw exists in the handling of long URLs in the Community Services Multiplexer (StMux.exe) listening on TCP port 1533. A specially crafted URL can be passed into a vulnerable sscanf() function that will result in a stack overflow resulting in the ability to execute arbitrary code.

VENDOR RESPONSE IBM has issued an update to correct this vulnerability. More details can be found at:
http://www.ibm.com/support/docview.wss?rs=463&uid=swg21303920
DISCLOSURE TIMELINE
  • 2007-12-11 - Vulnerability reported to vendor
  • 2008-05-21 - Coordinated public release of advisory
CREDIT Manuel Santamarina Suarez
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