CVE-2023-5870

Summary

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.

Affected Software

VendorProductVersion RangeStatus
Red HatRed Hat Advanced Cluster Security 4.24.2.4-6 < *unaffected
Red HatRed Hat Advanced Cluster Security 4.24.2.4-6 < *unaffected
Red HatRed Hat Advanced Cluster Security 4.24.2.4-7 < *unaffected
Red HatRed Hat Advanced Cluster Security 4.24.2.4-6 < *unaffected
Red HatRed Hat Advanced Cluster Security 4.24.2.4-7 < *unaffected
Red HatRed Hat Enterprise Linux 88090020231114113712.a75119d5 < *unaffected
Red HatRed Hat Enterprise Linux 88090020231128173330.a75119d5 < *unaffected
Red HatRed Hat Enterprise Linux 88090020231114113548.a75119d5 < *unaffected
Red HatRed Hat Enterprise Linux 8.2 Advanced Update Support8020020231128165246.4cda2c84 < *unaffected
Red HatRed Hat Enterprise Linux 8.2 Telecommunications Update Service8020020231128165246.4cda2c84 < *unaffected
Red HatRed Hat Enterprise Linux 8.2 Update Services for SAP Solutions8020020231128165246.4cda2c84 < *unaffected
Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support8040020231127153301.522a0ee4 < *unaffected
Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support8040020231127154806.522a0ee4 < *unaffected
Red HatRed Hat Enterprise Linux 8.4 Telecommunications Update Service8040020231127153301.522a0ee4 < *unaffected
Red HatRed Hat Enterprise Linux 8.4 Telecommunications Update Service8040020231127154806.522a0ee4 < *unaffected
Red HatRed Hat Enterprise Linux 8.4 Update Services for SAP Solutions8040020231127153301.522a0ee4 < *unaffected
Red HatRed Hat Enterprise Linux 8.4 Update Services for SAP Solutions8040020231127154806.522a0ee4 < *unaffected
Red HatRed Hat Enterprise Linux 8.6 Extended Update Support8060020231114115246.ad008a3a < *unaffected
Red HatRed Hat Enterprise Linux 8.6 Extended Update Support8060020231128165328.ad008a3a < *unaffected
Red HatRed Hat Enterprise Linux 8.8 Extended Update Support8080020231114105206.63b34585 < *unaffected
Red HatRed Hat Enterprise Linux 8.8 Extended Update Support8080020231128165335.63b34585 < *unaffected
Red HatRed Hat Enterprise Linux 8.8 Extended Update Support8080020231113134015.63b34585 < *unaffected
Red HatRed Hat Enterprise Linux 90:13.13-1.el9_3 < *unaffected
Red HatRed Hat Enterprise Linux 99030020231120082734.rhel9 < *unaffected
Red HatRed Hat Enterprise Linux 9.0 Extended Update Support0:13.13-1.el9_0 < *unaffected
Red HatRed Hat Enterprise Linux 9.2 Extended Update Support0:13.13-1.el9_2 < *unaffected
Red HatRed Hat Enterprise Linux 9.2 Extended Update Support9020020231115020618.rhel9 < *unaffected
Red HatRed Hat Software Collections for Red Hat Enterprise Linux 70:12.17-1.el7 < *unaffected
Red HatRed Hat Software Collections for Red Hat Enterprise Linux 70:13.13-1.el7 < *unaffected
Red HatRHACS-3.74-RHEL-83.74.8-9 < *unaffected
Red HatRHACS-3.74-RHEL-83.74.8-9 < *unaffected
Red HatRHACS-3.74-RHEL-83.74.8-7 < *unaffected
Red HatRHACS-3.74-RHEL-83.74.8-9 < *unaffected
Red HatRHACS-3.74-RHEL-83.74.8-9 < *unaffected
Red HatRHACS-4.1-RHEL-84.1.6-6 < *unaffected
Red HatRHACS-4.1-RHEL-84.1.6-6 < *unaffected
Red HatRHACS-4.1-RHEL-84.1.6-6 < *unaffected
Red HatRHACS-4.1-RHEL-84.1.6-6 < *unaffected
Red HatRHACS-4.1-RHEL-84.1.6-6 < *unaffected

Weaknesses

  • CWE-400: Uncontrolled Resource Consumption

Workarounds

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References