Ubuntu 6.06 LTS / 6.10 / 7.04 / 7.10 : postgresql vulnerabilities (USN-568-1)
High Nessus Plugin ID 29978
SynopsisThe remote Ubuntu host is missing one or more security-related patches.
DescriptionNico Leidecker discovered that PostgreSQL did not properly restrict dblink functions. An authenticated user could exploit this flaw to access arbitrary accounts and execute arbitrary SQL queries.
It was discovered that the TCL regular expression parser used by PostgreSQL did not properly check its input. An attacker could send crafted regular expressions to PostgreSQL and cause a denial of service via resource exhaustion or database crash. (CVE-2007-4769, CVE-2007-4772, CVE-2007-6067)
It was discovered that PostgreSQL executed VACUUM and ANALYZE operations within index functions with superuser privileges and also allowed SET ROLE and SET SESSION AUTHORIZATION within index functions.
A remote authenticated user could exploit these flaws to gain privileges. (CVE-2007-6600).
Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
SolutionUpdate the affected packages.