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  3. Half-Life Client Server Message Format String Vulnerability

Half-Life Client Server Message Format String Vulnerability

Risk

High

Date Discovered

January 10, 2003

Description

It has been reported that the Half-Life client contains a format string vulnerability. When receiving messages from an administrator through the adminmod add-on package, the client does not properly handle input. This could result in denial of service, or code execution.

Technologies Affected

  • Valve Software Half-Life 1.1.0 .0.8
  • Valve Software Half-Life 1.1.0 .0.9
  • Valve Software Half-Life 1.1.1 .0

Recommendations

Run all software as a nonprivileged user with minimal access rights.

Do not execute Half-Life client software as a privileged user.

Do not use client software to access unknown or untrusted hosts from critical systems.

Do not connect to unknown or untrusted Half-Life clients.
Currently we are not aware of any vendor-supplied patches for this issue. If you feel we are in error or are aware of more recent information, please mail us at: vuldb@securityfocus.com <mailto:vuldb@securityfocus.com>.

References

Credits

Vulnerability discovery credited to "VOID.AT Security" .
Copyright © Symantec Corporation.
Permission to redistribute this alert electronically is granted as long as it is not edited in any way unless authorized by Symantec Security Response. Reprinting the whole or part of this alert in any medium other than electronically requires permission from secure@symantec.com.

Disclaimer
The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information.
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