#VU66747 SQL injection in Postgresql JDBC Driver - CVE-2022-31197

Vulnerability identifier: #VU66747

Vulnerability risk: High

CVSSv4.0: 8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-31197

CWE-ID: CWE-89

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Postgresql JDBC Driver
Universal components / Libraries / Libraries used by multiple products

Vendor: PostgreSQL Global Development Group

Description

The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data within the java.sql.ResultRow.refreshRow() method when processing column names. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database using the statement terminator, e.g." ;".

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Postgresql JDBC Driver: 42.2.0 - 42.2.25, 42.3.0 - 42.3.6, 42.4.0

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External links
https://github.com/pgjdbc/pgjdbc/commit/739e599d52ad80f8dcd6efedc6157859b1a9d637
https://github.com/pgjdbc/pgjdbc/security/advisories/GHSA-r38f-c4h4-hqq2

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.