PostgreSQL: Privilege escalation

1. Gentoo Linux Security Advisory

Package	Vulnerable versions	Unaffected versions	Architecture(s)
dev-db/postgresql	< 8.0.13	>= 8.0.13, revision >= 7.4.17, revision >= 7.3.19, revision >= 7.3.21, revision >= 7.4.19	All supported architectures

Related bugreports: #175791

PostgreSQL contains a vulnerability that could result in SQL privilege escalation.

2. Impact Information

PostgreSQL is an open source object-relational database management system.

An error involving insecure search_path settings in the SECURITY DEFINER functions has been reported in PostgreSQL.

If allowed to call a SECURITY DEFINER function, an attacker could gain the SQL privileges of the owner of the called function.

3. Resolution Information

There is no known workaround at this time.

All PostgreSQL users should upgrade to the latest version and fix their SECURITY DEFINER functions:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose "dev-db/postgresql"

In order to fix the SECURITY DEFINER functions, PostgreSQL users are advised to refer to the PostgreSQL documentation: http://www.postgresql.org/docs/techdocs.77

4. References

Page updated May 10, 2007

Summary: This is a Gentoo Linux Security Advisory

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