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AUSCERT External Security Bulletin Redistribution
SCO Openserver IMAP Daemon Long Verb Parsing Remote Code
8 February 2011
AusCERT Security Bulletin Summary
Product: SCO OpenServer IMAP daemon
Publisher: Zero Day Initiative
Operating System: SCO
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
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SCO Openserver IMAP Daemon Long Verb Parsing Remote Code Execution
ZDI-11-058: February 7th, 2011
TippingPoint(TM) IPS Customer Protection
TippingPoint IPS customers are protected against this vulnerability by
Digital Vaccine protection filter ID 6535. For further product
information on the TippingPoint IPS:
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.
2008-11-10 - Vulnerability reported to vendor
2011-02-07 - Coordinated public release of advisory
This vulnerability was discovered by:
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