Title: BVRP SLMail Remote POPPASSWD Buffer Overrun Vulnerability
Severity: CRITICAL
Description:
SLMail is commercially available e-mail server for the Microsoft Windows operating systems. It is maintained and distributed by BVRP.
It has been reported that a boundary condition error exists in SLMail. A remote attacker sending a string of excessive length to the POPPasswd service may cause a buffer overrun that could result in execution of malicious instructions and system compromise.
The service, which runs on TCP port 106 by default, does not sufficiently check bounds on input to the service, which could be exploited to overwrite stack memory with attacker-supplied values. This could lead to execution of attacker-supplied instructions with the privileges of the POPPasswd process.
This vulnerability could result in a remote attacker gaining unauthorized access to a vulnerable host with the POPPasswd process privileges. Additionally, this may result in unauthorized administrative access.
Affected Products:
- BVRP Software SLMail 5.1.0.0.4420
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