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TITLE:
ekg Insecure Temporary File Creation

SECUNIA ADVISORY ID:
SA15889

VERIFY ADVISORY:
http://secunia.com/advisories/15889/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

SOFTWARE:
ekg 1.x
http://secunia.com/product/5326/

DESCRIPTION:
Eric Romang has reported a vulnerability in ekg, which can be
exploited by malicious, local users to perform certain actions on a
vulnerable system with escalated privileges.

The vulnerability is caused due to temporary files being created in
"/tmp" insecurely by "contrib/scripts/linki.py". This can be
exploited via symlink attacks to create or overwrite arbitrary files,
and potentially execute arbitrary commands with the privileges of the
user running the affected script.

The vulnerability has been reported in all versions released prior to
5 June 2005, 22:03. Other versions may also be affected.

SOLUTION:
Grant only trusted users access to affected systems.

PROVIDED AND/OR DISCOVERED BY:
Eric Romang, ZATAZ Audit

ORIGINAL ADVISORY:
http://www.zataz.net/adviso/ekg-06062005.txt

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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