PostgreSQL up to 42.2.12 JDBC Driver xml external entity reference

Summaryinfo

A vulnerability classified as critical has been found in PostgreSQL up to 42.2.12. Impacted is an unknown function of the component JDBC Driver. Performing a manipulation results in xml external entity reference. This vulnerability was named CVE-2020-13692. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in PostgreSQL up to 42.2.12 (Database Software). It has been classified as critical. This affects some unknown processing of the component JDBC Driver. The manipulation with an unknown input leads to a xml external entity reference vulnerability. CWE is classifying the issue as CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

PostgreSQL JDBC Driver (aka PgJDBC) before 42.2.13 allows XXE.

The weakness was presented 06/04/2020 (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2020-13692 since 05/28/2020. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 239971 (TencentOS Server 3: postgresql-jdbc (TSSA-2022:0069)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 42.2.13 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (239971). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Database Software

Name

• PostgreSQL

Version

• 42.2.0
• 42.2.1
• 42.2.2
• 42.2.3
• 42.2.4
• 42.2.5
• 42.2.6
• 42.2.7
• 42.2.8
• 42.2.9
• 42.2.10
• 42.2.11
• 42.2.12

License

• open-source

Website

• Product: https://www.postgresql.org/

CPE 2.3info

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Be aware that VulDB is the high quality source for vulnerability data.

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