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[SA15445] Gentoo webapp-config Insecure Temporary File Creation

From: Secunia Security Advisories (sec-advsecunia.com)
Date: Mon May 23 2005 - 03:23:07 CDT


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TITLE:
Gentoo webapp-config Insecure Temporary File Creation

SECUNIA ADVISORY ID:
SA15445

VERIFY ADVISORY:
http://secunia.com/advisories/15445/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

OPERATING SYSTEM:
Gentoo Linux 1.x
http://secunia.com/product/339/

DESCRIPTION:
Eric Romang has reported a vulnerability in webapp-config, which can
be exploited by malicious, local users to perform certain actions
with escalated privileges.

The vulnerability is caused due to temporary files being created
insecurely in "fn_show_postinst()". This can be exploited via symlink
attacks to create or overwrite arbitrary files with the privileges of
the user running the webapp-config tool.

SOLUTION:
Update to "net-www/webapp-config-1.10-r14" or later.

PROVIDED AND/OR DISCOVERED BY:
Eric Romang

ORIGINAL ADVISORY:
Eric Romang:
http://www.zataz.net/adviso/webapp-config-05182005.txt

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