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USN-1002-1: PostgreSQL vulnerability

7 October 2010



It was discovered that PostgreSQL did not properly enforce permissions
within sessions when PL/Perl and PL/Tcl functions or operators were
redefined. A remote authenticated attacker could exploit this to execute
arbitrary code with permissions of a different user, possibly leading to
privilege escalation.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 9.10
Ubuntu 9.04
Ubuntu 8.04
Ubuntu 6.06
Ubuntu 10.04

This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary


Related notices

  • USN-1002-2: postgresql-8.4, postgresql-pltcl-8.4, postgresql-plperl-8.4