PC-cillin "pop3trap.exe" vulnerable to buffer overflow via long string of characters

Overview

A locally exploitable buffer overflow exists in PC-cillin.

Description

Trend Micro describes PC-cillin as follows:

Trend Micro PC-cillin provides all-in-one antivirus security, personal firewall, and PDA protection for your PC. The user-friendly interface makes it easy to install and use. It defends your system from viruses, hackers, and other Internet security threats in email, attachments, Internet downloads, and instant messaging.
PC-cillin has the capability to scan incoming email for viruses. PC-cillin does this by running a local pop3 proxy daemon (pop3trap.exe). Trend Micro describes pop3trap.exe as follows:
Trend Micro's pop3trap.exe is an application level proxy for POP3 defined in RFC 1939. It forwards the local POP3 client requests to a remote server running on a different machine, mostly at the ISP-side. The service is only accessible from the localhost with IP address 127.0.0.1. The pop3trap.exe application runs transparent in the background and scans all mails received by POP3.
A buffer overflow in pop3trap.exe may allow a local attacker to execute arbitrary code with the privileges of the pop3 proxy.

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Impact

A local attacker may be able to execute arbitrary code with the privileges of the pop3 proxy.

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Solution

Apply a patch.

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Vendor Information

157961

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Trend Micro __ Affected

Updated: December 18, 2002

Status

Affected

Vendor Statement

See <http://kb.trendmicro.com/solutions/solutionDetail.asp?solutionId=12982&gt;

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23157961 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://www.texonet.com/advisories/TEXONET-20021210.txt&gt;
• <http://www.securityfocus.com/bid/6350&gt;

Acknowledgements

This vulnerability was publicly reported by Joel Soderberg and Christer Oberg.

This document was written by Ian A Finlay.

Other Information

CVE IDs:	CVE-2002-1349
Severity Metric:	20.05 Date Public: