// For flags

CVE-2023-5870

Postgresql: role pg_signal_backend can signal certain superuser processes.

Severity Score

4.4
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Se encontró una falla en PostgreSQL que involucra la función pg_cancel_backend que señala a los trabajadores en segundo plano, incluido el iniciador de replicación lógica, los trabajadores de autovacuum y el iniciador de autovacuum. La explotación exitosa requiere una extensión no central con un trabajador en segundo plano menos resistente y afectaría únicamente a ese trabajador en segundo plano específico. Este problema puede permitir que un usuario remoto con privilegios elevados lance un ataque de denegación de servicio (DoS).

*Credits: Upstream acknowledges Hemanth Sandrana and Mahendrakar Srinivasarao as the original reporters.
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-10-31 CVE Reserved
  • 2023-11-14 CVE Published
  • 2024-11-09 EPSS Updated
  • 2024-11-15 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-400: Uncontrolled Resource Consumption
CAPEC
References (26)
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
>= 11.0 < 11.22
Search vendor "Postgresql" for product "Postgresql" and version " >= 11.0 < 11.22"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
>= 12.0 < 12.17
Search vendor "Postgresql" for product "Postgresql" and version " >= 12.0 < 12.17"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
>= 13.0 < 13.13
Search vendor "Postgresql" for product "Postgresql" and version " >= 13.0 < 13.13"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
>= 14.0 < 14.10
Search vendor "Postgresql" for product "Postgresql" and version " >= 14.0 < 14.10"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
>= 15.0 < 15.5
Search vendor "Postgresql" for product "Postgresql" and version " >= 15.0 < 15.5"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
16.0
Search vendor "Postgresql" for product "Postgresql" and version "16.0"
-
Affected
Redhat
Search vendor "Redhat"
Codeready Linux Builder Eus
Search vendor "Redhat" for product "Codeready Linux Builder Eus"
9.2
Search vendor "Redhat" for product "Codeready Linux Builder Eus" and version "9.2"
-
Affected
Redhat
Search vendor "Redhat"
Codeready Linux Builder Eus For Power Little Endian Eus
Search vendor "Redhat" for product "Codeready Linux Builder Eus For Power Little Endian Eus"
9.0_ppc64le
Search vendor "Redhat" for product "Codeready Linux Builder Eus For Power Little Endian Eus" and version "9.0_ppc64le"
-
Affected
Redhat
Search vendor "Redhat"
Codeready Linux Builder Eus For Power Little Endian Eus
Search vendor "Redhat" for product "Codeready Linux Builder Eus For Power Little Endian Eus"
9.2_ppc64le
Search vendor "Redhat" for product "Codeready Linux Builder Eus For Power Little Endian Eus" and version "9.2_ppc64le"
-
Affected
Redhat
Search vendor "Redhat"
Codeready Linux Builder For Arm64 Eus
Search vendor "Redhat" for product "Codeready Linux Builder For Arm64 Eus"
8.6_aarch64
Search vendor "Redhat" for product "Codeready Linux Builder For Arm64 Eus" and version "8.6_aarch64"
-
Affected
Redhat
Search vendor "Redhat"
Codeready Linux Builder For Arm64 Eus
Search vendor "Redhat" for product "Codeready Linux Builder For Arm64 Eus"
9.0_aarch64
Search vendor "Redhat" for product "Codeready Linux Builder For Arm64 Eus" and version "9.0_aarch64"
-
Affected
Redhat
Search vendor "Redhat"
Codeready Linux Builder For Arm64 Eus
Search vendor "Redhat" for product "Codeready Linux Builder For Arm64 Eus"
9.2_aarch64
Search vendor "Redhat" for product "Codeready Linux Builder For Arm64 Eus" and version "9.2_aarch64"
-
Affected
Redhat
Search vendor "Redhat"
Codeready Linux Builder For Ibm Z Systems Eus
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9.0_s390x
Search vendor "Redhat" for product "Codeready Linux Builder For Ibm Z Systems Eus" and version "9.0_s390x"
-
Affected
Redhat
Search vendor "Redhat"
Codeready Linux Builder For Ibm Z Systems Eus
Search vendor "Redhat" for product "Codeready Linux Builder For Ibm Z Systems Eus"
9.2_s390x
Search vendor "Redhat" for product "Codeready Linux Builder For Ibm Z Systems Eus" and version "9.2_s390x"
-
Affected
Redhat
Search vendor "Redhat"
Codeready Linux Builder For Power Little Endian Eus
Search vendor "Redhat" for product "Codeready Linux Builder For Power Little Endian Eus"
9.0_ppc64le
Search vendor "Redhat" for product "Codeready Linux Builder For Power Little Endian Eus" and version "9.0_ppc64le"
-
Affected
Redhat
Search vendor "Redhat"
Codeready Linux Builder For Power Little Endian Eus
Search vendor "Redhat" for product "Codeready Linux Builder For Power Little Endian Eus"
9.2_ppc64le
Search vendor "Redhat" for product "Codeready Linux Builder For Power Little Endian Eus" and version "9.2_ppc64le"
-
Affected
Redhat
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Software Collections
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1.0
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-
Affected
Redhat
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Enterprise Linux
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8.0
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-
Affected
Redhat
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Enterprise Linux
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9.0
Search vendor "Redhat" for product "Enterprise Linux" and version "9.0"
-
Affected
Redhat
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Enterprise Linux Eus
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8.6
Search vendor "Redhat" for product "Enterprise Linux Eus" and version "8.6"
-
Affected
Redhat
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Enterprise Linux Eus
Search vendor "Redhat" for product "Enterprise Linux Eus"
8.8
Search vendor "Redhat" for product "Enterprise Linux Eus" and version "8.8"
-
Affected
Redhat
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Enterprise Linux Eus
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9.0
Search vendor "Redhat" for product "Enterprise Linux Eus" and version "9.0"
-
Affected
Redhat
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Enterprise Linux Eus
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9.2
Search vendor "Redhat" for product "Enterprise Linux Eus" and version "9.2"
-
Affected
Redhat
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Enterprise Linux For Arm 64
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8.0
Search vendor "Redhat" for product "Enterprise Linux For Arm 64" and version "8.0"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux For Arm 64
Search vendor "Redhat" for product "Enterprise Linux For Arm 64"
8.8_aarch64
Search vendor "Redhat" for product "Enterprise Linux For Arm 64" and version "8.8_aarch64"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux For Ibm Z Systems
Search vendor "Redhat" for product "Enterprise Linux For Ibm Z Systems"
8.0_s390x
Search vendor "Redhat" for product "Enterprise Linux For Ibm Z Systems" and version "8.0_s390x"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux For Ibm Z Systems Eus
Search vendor "Redhat" for product "Enterprise Linux For Ibm Z Systems Eus"
8.6_s390x
Search vendor "Redhat" for product "Enterprise Linux For Ibm Z Systems Eus" and version "8.6_s390x"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux For Ibm Z Systems Eus
Search vendor "Redhat" for product "Enterprise Linux For Ibm Z Systems Eus"
8.8_s390x
Search vendor "Redhat" for product "Enterprise Linux For Ibm Z Systems Eus" and version "8.8_s390x"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux For Ibm Z Systems Eus
Search vendor "Redhat" for product "Enterprise Linux For Ibm Z Systems Eus"
9.0_s390x
Search vendor "Redhat" for product "Enterprise Linux For Ibm Z Systems Eus" and version "9.0_s390x"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux For Ibm Z Systems Eus
Search vendor "Redhat" for product "Enterprise Linux For Ibm Z Systems Eus"
9.2_s390x
Search vendor "Redhat" for product "Enterprise Linux For Ibm Z Systems Eus" and version "9.2_s390x"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux For Power Little Endian
Search vendor "Redhat" for product "Enterprise Linux For Power Little Endian"
8.0_ppc64le
Search vendor "Redhat" for product "Enterprise Linux For Power Little Endian" and version "8.0_ppc64le"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux For Power Little Endian Eus
Search vendor "Redhat" for product "Enterprise Linux For Power Little Endian Eus"
8.6_ppc64le
Search vendor "Redhat" for product "Enterprise Linux For Power Little Endian Eus" and version "8.6_ppc64le"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux For Power Little Endian Eus
Search vendor "Redhat" for product "Enterprise Linux For Power Little Endian Eus"
8.8_ppc64le
Search vendor "Redhat" for product "Enterprise Linux For Power Little Endian Eus" and version "8.8_ppc64le"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux For Power Little Endian Eus
Search vendor "Redhat" for product "Enterprise Linux For Power Little Endian Eus"
9.0_ppc64le
Search vendor "Redhat" for product "Enterprise Linux For Power Little Endian Eus" and version "9.0_ppc64le"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux For Power Little Endian Eus
Search vendor "Redhat" for product "Enterprise Linux For Power Little Endian Eus"
9.2_ppc64le
Search vendor "Redhat" for product "Enterprise Linux For Power Little Endian Eus" and version "9.2_ppc64le"
-
Affected
Redhat
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Enterprise Linux Server Aus
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8.2
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-
Affected
Redhat
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Enterprise Linux Server Aus
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8.4
Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "8.4"
-
Affected
Redhat
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Enterprise Linux Server Aus
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8.6
Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "8.6"
-
Affected
Redhat
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Enterprise Linux Server Aus
Search vendor "Redhat" for product "Enterprise Linux Server Aus"
9.2
Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "9.2"
-
Affected
Redhat
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Enterprise Linux Server Tus
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8.2
Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "8.2"
-
Affected
Redhat
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Enterprise Linux Server Tus
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8.4
Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "8.4"
-
Affected
Redhat
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Enterprise Linux Server Tus
Search vendor "Redhat" for product "Enterprise Linux Server Tus"
8.6
Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "8.6"
-
Affected