Security restrictions bypass in IBM Security Guardium

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU63126

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1552

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote user to bypass implemented security restrictions.

The vulnerability exists due to incorrectly imposed security restrictions in Autovacuum, REINDEX, CREATE INDEX, REFRESH MATERIALIZED VIEW, CLUSTER, and pg_amcheck. A remote authenticated user with permission to create non-temp objects can execute arbitrary SQL functions under a superuser identity and escalate privileges within the application.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Security Guardium: 11.0 - 11.4

External links

http://www.ibm.com/blogs/psirt/security-bulletin-ibm-security-guardium-is-affected-by-a-postgresql-vulnerability-cve-2022-1552/
http://www.cybersecurity-help.cz/dashboard/admin/vulnerabilities/advisories/detail.php?ADVISORY_ID=705288&SOURCE_ID=163

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.