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Insecure Library Loading
Moderately critical

GNU Emacs "enable-local-variables" Variable Processing Vulnerability

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Release Date:  2012-08-13    Views:  1,286

Secunia Advisory SA50157

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A vulnerability has been reported in GNU Emacs, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to an error within the processing of the "enable-local-variables" variable when evaluating the file-local variable section. This can be exploited to evaluate the "eval" form and execute arbitrary Lisp code.

Successful exploitation requires that "enable-local-variables" is set to ":safe".

The vulnerability is reported in versions 23.2, 23.3, 23.4, and 24.1.


Solution:
Apply patch.

Provided and/or discovered by:
Paul Ling in a bug report.

Original Advisory:
http://debbugs.gnu.org/cgi/bugreport.cgi?bug=12155

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 Emacs "enable-local-variables" Variable Processing Vulnerability

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