The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:5567 advisory.

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

    The following packages have been upgraded to a later upstream version: postgresql (10.15).

    Security Fix(es):

    * postgresql: Reconnection can downgrade connection security settings (CVE-2020-25694)

    * postgresql: Multiple features escape security restricted operation sandbox (CVE-2020-25695)

    * postgresql: psql's \gset allows overwriting specially treated variables (CVE-2020-25696)

    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 Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-55671 advisory.

  - A flaw was found in PostgreSQL versions before 13.1, before 12.5, before 11.10, before 10.15, before     9.6.20 and before 9.5.24. If a client application that creates additional database connections only reuses     the basic connection parameters while dropping security-relevant parameters, an opportunity for a man-in-     the-middle attack, or the ability to observe clear-text transmissions, could exist. The highest threat     from this vulnerability is to data confidentiality and integrity as well as system availability.
    (CVE-2020-25694)

  - A flaw was found in the psql interactive terminal of PostgreSQL in versions before 13.1, before 12.5,     before 11.10, before 10.15, before 9.6.20 and before 9.5.24. If an interactive psql session uses \gset     when querying a compromised server, the attacker can execute arbitrary code as the operating system     account running psql. The highest threat from this vulnerability is to data confidentiality and integrity     as well as system availability. (CVE-2020-25696)

  - A flaw was found in PostgreSQL versions before 13.1, before 12.5, before 11.10, before 10.15, before     9.6.20 and before 9.5.24. An attacker having permission to create non-temporary objects in at least one     schema can execute arbitrary SQL functions under the identity of a superuser. The highest threat from this     vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2020-25695)

Note that Nessus has not tested for this issue 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-2020-56201 advisory.

  - It was found that PostgreSQL versions before 12.4, before 11.9 and before 10.14 did not properly sanitize     the search_path during logical replication. An authenticated attacker could use this flaw in an attack     similar to CVE-2018-1058, in order to execute arbitrary SQL command in the context of the user used for     replication. (CVE-2020-14349)

  - A flaw was found in PostgreSQL's ALTER ... DEPENDS ON EXTENSION, where sub-commands did not perform     authorization checks. An authenticated attacker could use this flaw in certain configurations to perform     drop objects such as function, triggers, et al., leading to database corruption. This issue affects     PostgreSQL versions before 12.2, before 11.7, before 10.12 and before 9.6.17. (CVE-2020-1720)

  - It was found that some PostgreSQL extensions did not use search_path safely in their installation script.
    An attacker with sufficient privileges could use this flaw to trick an administrator into executing a     specially crafted script, during the installation or update of such extension. This affects PostgreSQL     versions before 12.4, before 11.9, before 10.14, before 9.6.19, and before 9.5.23. (CVE-2020-14350)

  - A flaw was found in PostgreSQL versions before 13.1, before 12.5, before 11.10, before 10.15, before     9.6.20 and before 9.5.24. If a client application that creates additional database connections only reuses     the basic connection parameters while dropping security-relevant parameters, an opportunity for a man-in-     the-middle attack, or the ability to observe clear-text transmissions, could exist. The highest threat     from this vulnerability is to data confidentiality and integrity as well as system availability.
    (CVE-2020-25694)

  - A flaw was found in PostgreSQL versions before 13.1, before 12.5, before 11.10, before 10.15, before     9.6.20 and before 9.5.24. An attacker having permission to create non-temporary objects in at least one     schema can execute arbitrary SQL functions under the identity of a superuser. The highest threat from this     vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2020-25695)

  - A flaw was found in the psql interactive terminal of PostgreSQL in versions before 13.1, before 12.5,     before 11.10, before 10.15, before 9.6.20 and before 9.5.24. If an interactive psql session uses \gset     when querying a compromised server, the attacker can execute arbitrary code as the operating system     account running psql. The highest threat from this vulnerability is to data confidentiality and integrity     as well as system availability. (CVE-2020-25696)

Note that Nessus has not tested for this issue 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-2021:0161 advisory.

  - postgresql: Reconnection can downgrade connection security settings (CVE-2020-25694)

  - postgresql: Multiple features escape security restricted operation sandbox (CVE-2020-25695)

  - postgresql: psql's \gset allows overwriting specially treated variables (CVE-2020-25696)

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-2021:0163 advisory.

  - postgresql: Uncontrolled search path element in logical replication (CVE-2020-14349)

  - postgresql: Uncontrolled search path element in CREATE EXTENSION (CVE-2020-14350)

  - postgresql: ALTER ... DEPENDS ON EXTENSION is missing authorization checks (CVE-2020-1720)

  - postgresql: Reconnection can downgrade connection security settings (CVE-2020-25694)

  - postgresql: Multiple features escape security restricted operation sandbox (CVE-2020-25695)

  - postgresql: psql's \gset allows overwriting specially treated variables (CVE-2020-25696)

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 version of the postgresql packages installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - A flaw was found in PostgreSQL versions before 13.1,     before 12.5, before 11.10, before 10.15, before 9.6.20     and before 9.5.24. An attacker having permission to     create non-temporary objects in at least one schema can     execute arbitrary SQL functions under the identity of a     superuser. The highest threat from this vulnerability     is to data confidentiality and integrity as well as     system availability.(CVE-2020-25695)

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.

ID	Name	Product	Family	Published	Updated	Severity
144401	RHEL 8 : postgresql:10 (RHSA-2020:5567)	Nessus	Red Hat Local Security Checks	12/18/2020	6/4/2024	high
144561	Oracle Linux 8 : ELSA-2020-5567-1: / postgresql:10 (ELSA-2020-55671)	Nessus	Oracle Linux Local Security Checks	12/23/2020	5/11/2022	high
144564	Oracle Linux 8 : ELSA-2020-5620-1: / postgresql:12 (ELSA-2020-56201)	Nessus	Oracle Linux Local Security Checks	12/23/2020	5/11/2022	high
145042	RHEL 8 : postgresql:10 (RHSA-2021:0161)	Nessus	Red Hat Local Security Checks	1/18/2021	4/27/2024	high
145044	RHEL 8 : postgresql:12 (RHSA-2021:0163)	Nessus	Red Hat Local Security Checks	1/18/2021	5/24/2023	high
148042	EulerOS 2.0 SP5 : postgresql (EulerOS-SA-2021-1700)	Nessus	Huawei Local Security Checks	3/24/2021	1/8/2024	high

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