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Insecure Library Loading
Not critical

Conky "/tmp/.cesf" Insecure Temporary File Security Issue

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Release Date:  2011-02-07    Last Update:  2011-10-11    Views:  2,212

Secunia Advisory SA43225

Where:

Local system

Impact:

Privilege escalation

Solution Status:

Vendor Workaround

Software:

CVE Reference(s):

Description


A security issue has been reported in Conky, which can be exploited by malicious, local users to perform certain actions with escalated privileges.

The security issue is caused due to Conky's "eve" module using the "/tmp/.cesf" file in an insecure manner, which can be exploited to e.g. overwrite arbitrary files with the privileges of the user running Conky.

Successful exploitation requires that the "eve" module is compiled and configured.

The security issue is reported in version 1.8.1. Other versions may also be affected.


Solution:
Fixed in the GIT repository.

Provided and/or discovered by:
Reported in an Ubuntu bug by segooon.

Original Advisory:
Ubuntu Bug #607309:
https://bugs.launchpad.net/ubuntu/+source/conky/+bug/607309

http://git.omp.am/?p=conky.git;a=commitdiff;h=ac4a3682aecb9d6466fea4aebb183b5f8f632905
http://git.omp.am/?p=conky.git;a=commitdiff;h=70b6f35a846f7b85bd11e66c1f23feee6b369688

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: Conky "/tmp/.cesf" Insecure Temporary File Security Issue

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