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TITLE:
Dovecot ManageSieve Directory Traversal Security Issue

SECUNIA ADVISORY ID:
SA32768

VERIFY ADVISORY:
http://secunia.com/advisories/32768/

CRITICAL:
Less critical

IMPACT:
Security Bypass

WHERE:
>From remote

SOFTWARE:
Dovecot ManageSieve
http://secunia.com/advisories/product/20528/

DESCRIPTION:
A security issue has been reported in Dovecot ManageSieve, which can
be exploited by malicious users to bypass certain security
restrictions.

The security issue is caused due to an input validation error when
processing script names. This can be exploited to read or modify
arbitrary files having ".sieve" extensions via directory traversal
attacks, with the privileges of the attacker's user id.

The security issue is reported in versions prior to Dovecot 1.2
ManageSieve 0.11.1, Dovecot 1.1 ManageSieve 0.10.4, and Dovecot
1.0.15 ManageSieve 9.4.

SOLUTION:
Update to Dovecot 1.2 ManageSieve 0.11.1, Dovecot 1.1 ManageSieve
0.10.4, or Dovecot 1.0.15 ManageSieve 9.4.

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://dovecot.org/list/dovecot/2008-November/035259.html

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