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TITLE:
PostgreSQL Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA36660

VERIFY ADVISORY:
http://secunia.com/advisories/36660/

DESCRIPTION:
Some vulnerabilities have been reported in PostgreSQL, which can be
exploited by malicious users to gain escalated privileges and cause a
DoS (Denial of Service), and by malicious people to bypass certain
security restrictions.

1) "RESET SESSION AUTHORIZATION" is permitted within index functions,
which can be exploited to gain escalated privileges.

This is related to vulnerability #2 in:
SA28359

This vulnerability affects the 8.4.1, 8.3.8, 8.2.14, 8.1.18, 8.0.22,
and 7.4.26 branches.

2) An error exists when binding to an LDAP server with an empty
password. Depending on the LDAP implementation and configuration
used, this can be exploited to bypass the authentication mechanism.

This vulnerability affects the 8.3 and 8.2 branches.

3) It is possible to terminate the backend server by reloading
libraries from "$libdir/plugins".

Successful exploitation requires that libraries are present in the
"$libdir/plugins" folder.

This vulnerability affects the 8.4, 8.3, and 8.2 branches.

SOLUTION:
Update to version 8.4.1, 8.3.8, 8.2.14, 8.1.18, or 8.0.22.

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

ORIGINAL ADVISORY:
http://www.postgresql.org/support/security.html

OTHER REFERENCES:
SA28359:
http://secunia.com/advisories/28359/

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