[NT] Buffer Overflow in SentinelLM Service
From: SecuriTeam (support_at_securiteam.com)
To: firstname.lastname@example.org Date: 8 Mar 2005 11:26:43 +0200
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Buffer Overflow in SentinelLM Service
<http://www.safenet-inc.com/products/sentinel/lm.asp> Sentinel LM is a
software-based license management application allowing application
developers to implement multiple pre-built license models with a single
software development integration effort.
A buffer overflow in SentinelLM allows a malicious attacker to run
arbitrary machine code on a vulnerable host.
* Sentinel License Manager version 188.8.131.52
When sending a large amount of data to the SentinelLM service, it will
result in a buffer overflow where the Extended Instruction Pointer (eip)
is overwritten, allowing arbitrary code being run on the server, with the
rights of the service. The Sentinel License Manager is vulnerable to a
buffer overflow when sending 3000 bytes of data or more to the UDP port
5093 where the "Lservnt" service are running resulting in the EIP being
overwritten allowing arbitrary code execution, with the rights of the
service, as default are "SYSTEM".
Update to version 8.0 of the Sentinel License Manager at:
*12-2004 Vulnerability discovered
* 21-12-2004 Research completed
* 29-12-2004 Vendor contacted
* 30-12-2004 Vendor responds that the vulnerability are fixed in version
* 19-02-2005 Report sent to CERT
* 22-02-2005 Received response from CERT: VU#108790 and CAN-2005-0353
* 07-03-2005 Public disclosure
The information has been provided by <mailto:email@example.com> CIRT
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