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CVE-2023-5870

Published: November 10, 2023Last modified: November 10, 2023

Description

A flaw was found in PostgreSQL involving the pg_cancel_backend role that signals 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 and would affect that specific background worker only. This issue may allow a remote high privileged user to launch a denial of service (DoS) attack.

Severity score breakdown

ParameterValue
Base score4.4
Attack VectorNETWORK
Attack complexityHIGH
Privileges requiredHIGH
User interactionNONE
ScopeUNCHANGED
ConfidentialityNONE
Integrity impactNONE
Availability impactHIGH
VectorCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H

Status

ProductReleasePackageStatus
Alpaquita Linux23 LTSpostgresql15Fixed (15.5-r0)
Streampostgresql16Fixed (16.1-r0)

References

Published BELL-SAs

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