Vulnerability in PostgreSQL
CVE-2023-39418
A vulnerability was found in PostgreSQL with the use of the MERGE command, which fails to test new rows against row security policies defined for UPDATE and SELECT. If UPDATE and SELECT policies forbid some rows that INSERT policies do not forbid, a user could store such rows.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.011 (63.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- PostgreSQL
- Debian Linux — versions 12.0
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8 — versions 8090020231114113548.a75119d5
- Red Hat Enterprise Linux 8.8 Extended Update Support — versions 8080020231113134015.63b34585
- Red Hat Enterprise Linux 9 — versions 9030020231120082734.rhel9
- Red Hat Enterprise Linux 9.2 Extended Update Support — versions 9020020231115020618.rhel9
- Red Hat Software Collections
- Red Hat Enterprise Linux — versions 8.0, 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/errata/RHSA-2023:7785 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2023:7883 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2023:7884 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2023:7885 (vendor-advisory, Third Party Advisory)
- access.redhat.com/security/cve/CVE-2023-39418 (Third Party Advisory, vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking, Patch, Third Party Advisory, Issue Tracking)
- git.postgresql.org/gitweb/ (Patch, Mailing List)
- www.postgresql.org/support/security/CVE-2023-39418/ (Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-39418?
- CVE-2023-39418 is a low-severity vulnerability in PostgreSQL, classified under CWE-1220. CVSS score: 3.1/10. Published 2023-08-11.
- How severe is CVE-2023-39418?
- Low severity. CVSS v3 base score is 3.1 out of 10.
- Is CVE-2023-39418 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.