Advisory Details

February 7th, 2011

(0Day) SCO Openserver IMAP Daemon Long Verb Parsing Remote Code Execution Vulnerability

ZDI-11-058
ZDI-CAN-407

CVE ID
CVSS SCORE 10.0, AV:N/AC:L/Au:N/C:C/I:C/A:C
AFFECTED VENDORS SCO
AFFECTED PRODUCTS OpenServer
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['6535']. 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 the SCO OpenServer IMAP daemon. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the imapd process responsible for handling remote IMAP requests. The process does not properly validate IMAP commands and arguments. Supplying an overly long command followed by an invalid argument can cause an exploitable overflow to occur. This vulnerability can be leveraged to execute arbitrary code.
ADDITIONAL DETAILS
DISCLOSURE TIMELINE
  • 2008-11-10 - Vulnerability reported to vendor
  • 2011-02-07 - Coordinated public release of advisory
CREDIT Anonymous
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