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PostgreSQL Multiple Vulnerabilities

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Release Date:  2008-01-07    Views:  14,826

Secunia Advisory SA28359

Where:

From local network

Impact:

Privilege escalation, DoS

Solution Status:

Vendor Patch

CVE Reference(s):

Description


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

1) Index functions are executed as superuser during "VACUUM" and "ANALYZE", which can be exploited to gain escalated privileges.

2) "SET ROLE" and "SET SESSION AUTHORIZATION" are permitted within index functions, which can be exploited to gain escalated privileges.

3) Various errors in the processing of regular expressions within SQL queries can be exploited to cause infinite loops, consume large amounts of memory, or to crash the backend, resulting in a DoS.

4) Errors in the DBLink module can be exploited to gain superuser privileges when being used in combination with local trust or ident authentication.

The vulnerabilities are reported in versions 8.2, 8.1, 8.0, 7.4, and 7.3.


Solution:
Update to version 8.2.6, 8.1.11, 8.0.15, 7.4.19, or 7.3.21.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Reported by the vendor.

Original Advisory:
PostgreSQL:
http://www.postgresql.org/about/news.905

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: PostgreSQL Multiple Vulnerabilities

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