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TITLE:
PostgreSQL Denial of Service Vulnerabilities

SECUNIA ADVISORY ID:
SA22562

VERIFY ADVISORY:
http://secunia.com/advisories/22562/

CRITICAL:
Not critical

IMPACT:
DoS

WHERE:
>From local network

SOFTWARE:
PostgreSQL 7.x
http://secunia.com/product/506/
PostgreSQL 8.x
http://secunia.com/product/4587/

DESCRIPTION:
Some vulnerabilities have been reported in PostgreSQL, which can be
exploited by malicious users to cause a DoS (Denial of Service).

1) An incorrect type check before coercing unknown literals into the
ANYARRY type can be exploited to cause a crash when converting
certain literals into ANYARRAY.

2) An error exists within the handling of aggregate functions in
UPDATE statements, which can be exploited to crash the server
backend.

3) An error within the logging of V3-protocol execute messages of
ROLLBACK or COMMIT statements can be exploited to cause a crash.

SOLUTION:
Update to version 8.1.5, 8.0.9, 7.4.14, or 7.3.16

PROVIDED AND/OR DISCOVERED BY:
1) Michael Fuhr
2) Josh Drake and Alvaro Herrera
3) Sergey Koposov

ORIGINAL ADVISORY:
http://www.postgresql.org/about/news.664
http://projects.commandprompt.com/public/pgsql/changeset/26457
http://projects.commandprompt.com/public/pgsql/changeset/25504
http://projects.commandprompt.com/public/pgsql/changeset/25953

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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
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