TITLE:
Fetchmail "fetchmailconf" Password Disclosure Vulnerability

SECUNIA ADVISORY ID:
SA17293

VERIFY ADVISORY:
http://secunia.com/advisories/17293/

CRITICAL:
Less critical

IMPACT:
Exposure of sensitive information

WHERE:
Local system

SOFTWARE:
Fetchmail 6.x
http://secunia.com/product/370/

DESCRIPTION:
A vulnerability has been reported in Fetchmail, which can be
exploited by malicious, local users to gain knowledge of certain
sensitive information.

The vulnerability is caused due to the "fetchmailconf" program
writing configuration information to the "run control" file before
changing its file permissions to prevent it from being read by other
users. This can be exploited by malicious users to gain knowledge of
sensitive information such as passwords.

The vulnerability has been reported in the following versions:
* fetchmail version 6.2.5.2
* fetchmail version 6.2.5
* fetchmail version 6.2.0
* fetchmailconf 1.43 (included with fetchmail 6.2.0, 6.2.5 and
6.2.5.2)
* fetchmailconf 1.43.1

Prior versions may also be affected.

SOLUTION:
Update to the fixed version.

Users of fetchmail-6.2.5.2:
Update to fetchmailconf version 1.43.2.
http://developer.berlios.de/project/showfiles.php?group_id=1824&release_id=6617

Users of fetchmail-6.2.6* or 6.2.9* before 6.2.9-rc6:
The vulnerability has been fixed in fetchmail version 6.2.9-rc6.
https://developer.berlios.de/project/showfiles.php?group_id=1824

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Thomas Wolff and Miloslav Trmac.

ORIGINAL ADVISORY:
http://fetchmail.berlios.de/fetchmail-SA-2005-02.txt

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About:
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