Severity

medium

Vendor

VMware Tanzu

Versions Affected

• Canonical Ubuntu 22.04

It was discovered that PostgreSQL incorrectly handled dropping privileges when handling REFRESH MATERIALIZED VIEW CONCURRENTLY commands. If a user or automatic system were tricked into running a specially crafted command, a remote attacker could possibly use this issue to execute arbitrary SQL functions. Update Instructions: Run `sudo pro fix USN-6656-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: postgresql-server-dev-12 - 12.18-0ubuntu0.20.04.1 libecpg6 - 12.18-0ubuntu0.20.04.1 libpq-dev - 12.18-0ubuntu0.20.04.1 libpgtypes3 - 12.18-0ubuntu0.20.04.1 postgresql-plperl-12 - 12.18-0ubuntu0.20.04.1 postgresql-pltcl-12 - 12.18-0ubuntu0.20.04.1 libecpg-dev - 12.18-0ubuntu0.20.04.1 postgresql-plpython3-12 - 12.18-0ubuntu0.20.04.1 libpq5 - 12.18-0ubuntu0.20.04.1 postgresql-doc-12 - 12.18-0ubuntu0.20.04.1 postgresql-12 - 12.18-0ubuntu0.20.04.1 postgresql-client-12 - 12.18-0ubuntu0.20.04.1 libecpg-compat3 - 12.18-0ubuntu0.20.04.1 No subscription required.

Fixed and Unaffected VMware Products and Versions

• Cflinixfs4
• 1.74.0 or greater
• CF Deployment
• 39.1.0 or greater
• Isolation Segment
• 4.0.19+LTS-T or greater
• 5.0.9 or greater
• 6.0.x unaffected
• VMware Tanzu Applications Service for VMs
• 4.0.19+LTS-T or greater
• 5.0.9 or greater
• 6.0.x unaffected

References

https://ubuntu.com/security/notices/USN-6656-1

https://www.cloudfoundry.org/blog/usn-6656-1

https://cve.mitre.org/cgi-bin/cvename.cgi?name=usn-6656-1

https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/24841

History

2024-02-26: Initial vulnerability report published.