Vulnerability Note VU#320233

Wyse ThinOS LPD service buffer overflow vulnerability

Overview

Wyse ThinOS HF 4.4.079i has a buffer overflow vulnerability in the LPD service (515/tcp).

I. Description

The LPD service (515/tcp) on Wyse ThinOS HF 4.4.079i crashes when a long buffer is sent to it. This condition may exist in all versions before Wyse ThinOS 6.5.

II. Impact

An attacker can cause the device to crash and may be able to execute arbitrary code.

III. Solution

The vendor recommends users upgrade to Wyse ThinOS 6.5 or newer.

Restrict Access
Enable firewall rules to restrict access for port 515/tcp to only trusted sources.

Vendor Information

Vendor	Status	Date Notified	Date Updated
Wyse	Affected	2009-11-19	2010-08-16

References

Credit

Thanks to Kevin Finisterres for reporting this vulnerability.

This document was written by Jared Allar.

Other Information

Date Public:	2010-08-16
Date First Published:	2010-08-16
Date Last Updated:	2010-08-16
CERT Advisory:
CVE-ID(s):
NVD-ID(s):
US-CERT Technical Alerts:
Severity Metric:	0.00
Document Revision:	23

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