CVE-2023-22847 — Information disclosure vulnerability exists in pg_ivm versions prior to 1

Information disclosure vulnerability exists in pg_ivm versions prior to 1.5.1. An Incrementally Maintainable Materialized View (IMMV) created by pg_ivm may reflect rows with Row-Level Security that the owner of the IMMV should not have access to. As a result, information in table

01What is this vulnerability?

Information disclosure vulnerability exists in pg_ivm versions prior to 1.5.1. An Incrementally Maintainable Materialized View (IMMV) created by pg_ivm may reflect rows with Row-Level Security that the owner of the IMMV should not have access to. As a result, information in tables protected by Row-Level Security may be retrieved by a user who is not authorized to access it.

02Affected products

Vendor	Product	Versions
IVM Development Group	pg_ivm	versions prior to 1.5.1

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-03-07T00:00:00.000Z
• Last modified: 2025-03-06T16:57:41.724Z

09References

• github.com — https://github.com/sraoss/pg_ivm
• github.com — https://github.com/sraoss/pg_ivm/releases/tag/v1.5.1
• jvn.jp — https://jvn.jp/en/jp/JVN19872280/