#VU89214 SQL injection in MediaWiki - CVE-2023-29134

Vulnerability identifier: #VU89214

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-29134

CWE-ID: CWE-89

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MediaWiki
Web applications / CMS

Vendor: MediaWiki.org

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 in Cargo extension handling of quotes inside backticks. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

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 updates from vendor's website.

Vulnerable software versions

MediaWiki: 1.39.0 rc.0 - 1.39.6, 1.40.0 rc.0 - 1.41.0

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External links
https://phabricator.wikimedia.org/T331362
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/898722
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/895774
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/900133
https://phabricator.wikimedia.org/rECRG920f3c19a84175bcfe93f41ecf9f8cef32730f8e
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1005478

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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.