PT-2023-6889 · Unknown+11 · Postgresql+10
Hemanth Sandrana
+1
·
Published
2023-11-08
·
Updated
2026-04-03
·
CVE-2023-5870
CVSS v3.1
4.4
Medium
| Vector | AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
PostgreSQL (affected versions not specified)
Description
The issue is related to the
pg signal backend role in PostgreSQL, which allows signaling certain superuser processes. This can be exploited by a remote high-privileged user to launch a denial of service (DoS) attack, affecting specific background workers, including the logical replication launcher, autovacuum workers, and the autovacuum launcher. Successful exploitation requires a non-core extension with a less-resilient background worker.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
DoS
Resource Exhaustion
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Related Identifiers
Affected Products
Alt Linux
Almalinux
Astra Linux
Centos
Linuxmint
Postgresql
Red Hat
Red Os
Rocky Linux
Suse
Ubuntu