CVE-2023-39418
Published: August 31, 2023Last modified: August 31, 2023
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 4.3 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | LOW |
| Availability impact | NONE |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | postgresql15 | Not affected (15.4-r0) |
| Stream | postgresql15 | Not affected (15.4-r0) |
References
- https://access.redhat.com/errata/RHSA-2023:7785
- https://access.redhat.com/errata/RHSA-2023:7883
- https://access.redhat.com/errata/RHSA-2023:7884
- https://access.redhat.com/errata/RHSA-2023:7885
- https://access.redhat.com/security/cve/CVE-2023-39418
- https://bugzilla.redhat.com/show_bug.cgi?id=2228112
- https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=cb2ae5741f2458a474ed3c31458d242e678ff229
- https://security.netapp.com/advisory/ntap-20230915-0002/
- https://www.debian.org/security/2023/dsa-5553
- https://www.postgresql.org/support/security/CVE-2023-39418/