The version of postgresql installed on the remote host is prior to 12.17-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2POSTGRESQL12-2024-007 advisory.

    Certain aggregate function calls receiving unknown-type arguments could disclose bytes of server memory     from the end of the unknown-type value to the next zero byte. One typically gets an unknown-type value     via a string literal having no type designation. We have not confirmed or ruled out viability of attacks     that arrange for presence of notable, confidential information in disclosed bytes. (CVE-2023-5868)

    While modifying certain SQL array values, missing overflow checks let authenticated database users write     arbitrary bytes to a memory area that facilitates arbitrary code execution. Missing overflow checks also     let authenticated database users read a wide area of server memory. The CVE-2021-32027 fix covered some     attacks of this description, but it missed others. (CVE-2023-5869)

    The documentation says the pg_cancel_backend role cannot signal a backend owned by a superuser. On the     contrary, it can signal background workers, including the logical replication launcher. It can signal     autovacuum workers and the autovacuum launcher. Signaling autovacuum workers and those two launchers     provides no meaningful exploit, so exploiting this vulnerability requires a non-core extension with a     less-resilient background worker. For example, a non-core background worker that does not auto-restart     would experience a denial of service with respect to that particular background worker. (CVE-2023-5870)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:7656 advisory.

    PostgreSQL is an advanced object-relational database management system (DBMS).

    Security Fix(es):

    * postgresql: Buffer overrun from integer overflow in array modification (CVE-2023-5869)

    * postgresql: Memory disclosure in aggregate function calls (CVE-2023-5868)

    * postgresql: extension script @substitutions@ within quoting allow SQL injection (CVE-2023-39417)

    * postgresql: Role pg_signal_backend can signal certain superuser processes. (CVE-2023-5870)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to the versions of the postgresql packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - A memory disclosure vulnerability was found in PostgreSQL that allows remote users to access sensitive     information by exploiting certain aggregate function calls with 'unknown'-type arguments. Handling     'unknown'-type values from string literals without type designation can disclose bytes, potentially     revealing notable and confidential information. This issue exists due to excessive data output in     aggregate function calls, enabling remote users to read some portion of system memory. (CVE-2023-5868)

  - A flaw was found in PostgreSQL that allows authenticated database users to execute arbitrary code through     missing overflow checks during SQL array value modification. This issue exists due to an integer overflow     during array modification where a remote user can trigger the overflow by providing specially crafted     data. This enables the execution of arbitrary code on the target system, allowing users to write arbitrary     bytes to memory and extensively read the server's memory. (CVE-2023-5869)

  - 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. (CVE-2023-5870)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

An update of the postgresql14 package has been released.

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-7784 advisory.

    [13.13-1.0.1]
    - Update to 13.13
    - Fixes CVE-2023-5868, CVE-2023-5869, CVE-2023-5870, and CVE-2023-39417

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-7581 advisory.

    - Fixes: CVE-2023-5868 CVE-2023-5869 CVE-2023-5870 CVE-2023-39417

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-7785 advisory.

    pgaudit     pg_repack     postgres-decoderbufs     postgresql     [15.5-1]
    - update to 15.5
    - Fixes CVE-2023-5868, CVE-2023-5869, CVE-2023-5870, CVE-2023-39417, and CVE-2023-39418       Resolves: RHEL-16100, RHEL-16124, RHEL-16139

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-7884 advisory.

    - Fixes: CVE-2023-5868 CVE-2023-5869 CVE-2023-5870 CVE-2023-39417 CVE-2023-39418

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:7545 advisory.

    PostgreSQL is an advanced object-relational database management system (DBMS).

    Security Fix(es):

    * postgresql: schema_element defeats protective search_path changes (CVE-2023-2454)

    * postgresql: Buffer overrun from integer overflow in array modification (CVE-2023-5869)

    * postgresql: Extension scripts replace objects not belonging to the extension. (CVE-2022-2625)

    * postgresql: row security policies disregard user ID changes after inlining. (CVE-2023-2455)

    * postgresql: Memory disclosure in aggregate function calls (CVE-2023-5868)

    * postgresql: extension script @substitutions@ within quoting allow SQL injection (CVE-2023-39417)

    * postgresql: Client memory disclosure when connecting with Kerberos to modified server (CVE-2022-41862)

    * postgresql: Role pg_signal_backend can signal certain superuser processes. (CVE-2023-5870)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:7666 advisory.

    PostgreSQL is an advanced object-relational database management system (DBMS).

    Security Fix(es):

    * postgresql: schema_element defeats protective search_path changes (CVE-2023-2454)

    * postgresql: Buffer overrun from integer overflow in array modification (CVE-2023-5869)

    * postgresql: row security policies disregard user ID changes after inlining. (CVE-2023-2455)

    * postgresql: Memory disclosure in aggregate function calls (CVE-2023-5868)

    * postgresql: extension script @substitutions@ within quoting allow SQL injection (CVE-2023-39417)

    * postgresql: Client memory disclosure when connecting with Kerberos to modified server (CVE-2022-41862)

    * postgresql: Role pg_signal_backend can signal certain superuser processes. (CVE-2023-5870)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
189478	Amazon Linux 2 : postgresql (ALASPOSTGRESQL12-2024-007)	Nessus	Amazon Linux Local Security Checks	1/24/2024	12/11/2024	high
189640	RHEL 8 : postgresql:12 (RHSA-2023:7656)	Nessus	Red Hat Local Security Checks	1/26/2024	11/7/2024	high
191885	EulerOS 2.0 SP8 : postgresql (EulerOS-SA-2024-1289)	Nessus	Huawei Local Security Checks	3/12/2024	3/12/2024	high
204267	Photon OS 4.0: Postgresql14 PHSA-2023-4.0-0513	Nessus	PhotonOS Local Security Checks	7/24/2024	7/24/2024	high
187032	Oracle Linux 9 : postgresql (ELSA-2023-7784)	Nessus	Oracle Linux Local Security Checks	12/15/2023	9/9/2025	high
186509	Oracle Linux 8 : postgresql:13 (ELSA-2023-7581)	Nessus	Oracle Linux Local Security Checks	12/1/2023	9/9/2025	high
186961	Oracle Linux 9 : postgresql:15 (ELSA-2023-7785)	Nessus	Oracle Linux Local Security Checks	12/15/2023	9/9/2025	high
187183	Oracle Linux 8 : postgresql:15 (ELSA-2023-7884)	Nessus	Oracle Linux Local Security Checks	12/21/2023	9/9/2025	high
186372	RHEL 9 : postgresql (RHSA-2023:7545)	Nessus	Red Hat Local Security Checks	11/28/2023	11/7/2024	high
186621	RHEL 8 : postgresql:12 (RHSA-2023:7666)	Nessus	Red Hat Local Security Checks	12/6/2023	11/7/2024	high

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