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GNU Screen UTF-8 Character Handling Vulnerabilities

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Release Date:  2006-10-25    Views:  14,190

Secunia Advisory SA22583

Where:

From remote

Impact:

DoS, System access

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


Some vulnerabilities have been reported in GNU Screen, which can be exploited by malicious people to cause a DoS (Denial of Service) or potentially compromise a vulnerable system.

The vulnerabilities are caused due to errors within the handling of certain UTF-8 characters. This can be exploited to crash GNU Screen or potentially execute arbitrary code by printing a specially crafted string to the window.

The vulnerability is reported in versions prior to 4.0.3.


Solution:
Update to version 4.0.3.

Provided and/or discovered by:
The vendor credits cstone and Rich Felker

Original Advisory:
http://lists.gnu.org/archive/html/screen-users/2006-10/msg00028.html

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: GNU Screen UTF-8 Character Handling Vulnerabilities

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