Secunia Security Advisory - Simon L. Nielsen has reported a vulnerability in portupgrade, which can be exploited by malicious, local users to perform certain actions on a vulnerable system with escalated privileges.
77617c27e9b2c5a67d2e30eef18f4155a4d5a9239b8284af7e492874dcc0c826
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TITLE:
portupgrade Insecure Temporary File Creation Vulnerability
SECUNIA ADVISORY ID:
SA14903
VERIFY ADVISORY:
http://secunia.com/advisories/14903/
CRITICAL:
Less critical
IMPACT:
Manipulation of data
WHERE:
Local system
SOFTWARE:
portupgrade
http://secunia.com/product/4906/
DESCRIPTION:
Simon L. Nielsen has reported a vulnerability in portupgrade, 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 insecure creation of temporary
files. This can be exploited via symlink attacks to overwrite
arbitrary files or potentially execute arbitrary commands with the
privileges of the user running portupgrade.
SOLUTION:
Update to version 20041226_2.
PROVIDED AND/OR DISCOVERED BY:
Simon L. Nielsen
ORIGINAL ADVISORY:
http://www.vuxml.org/freebsd/22f00553-a09d-11d9-a788-0001020eed82.html
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