Medium severity · published Aug 11, 2023
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
4.3
CVSS
1.1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PO
PostgreSQL · PostgreSQL
15.0 before 15.4 · source: NVD
DL
Debian Linux · Debian
12.0 · source: NVD
EL
Enterprise Linux · Redhat
8.0; 9.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-39418
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-39418
Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7785
Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7883
Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7884
Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7885
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-39418
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2228112
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