Detections
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Rocky Linux 8 : postgresql:12 (RLSA-2020:5620)
high Nessus Plugin ID 184633
Synopsis
The remote Rocky Linux host is missing one or more security updates.Description
The remote Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2020:5620 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)
- 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'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)
- 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 these issues but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
https://errata.rockylinux.org/RLSA-2020:5620
https://bugzilla.redhat.com/show_bug.cgi?id=1798852
https://bugzilla.redhat.com/show_bug.cgi?id=1865744
https://bugzilla.redhat.com/show_bug.cgi?id=1865746
https://bugzilla.redhat.com/show_bug.cgi?id=1894423
Plugin Details
Severity: High
ID: 184633
File Name: rocky_linux_RLSA-2020-5620.nasl
Version: 1.0
Type: local
Published: 11/6/2023
Updated: 11/6/2023
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: High
Base Score: 7.6
Temporal Score: 5.6
Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2020-25696
CVSS v3
Risk Factor: High
Base Score: 8.8
Temporal Score: 7.7
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
CVSS Score Source: CVE-2020-25695
Vulnerability Information
CPE: p-cpe:/a:rocky:linux:pgaudit, p-cpe:/a:rocky:linux:pgaudit-debuginfo, p-cpe:/a:rocky:linux:postgres-decoderbufs-debuginfo, p-cpe:/a:rocky:linux:postgres-decoderbufs-debugsource, cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:pgaudit-debugsource, p-cpe:/a:rocky:linux:postgres-decoderbufs
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 12/17/2020
Vulnerability Publication Date: 2/13/2020
Reference Information
CVE: CVE-2020-14349, CVE-2020-14350, CVE-2020-1720, CVE-2020-25694, CVE-2020-25695, CVE-2020-25696