#VU36600 SQL injection in REDAXO - CVE-2018-17831

Vulnerability identifier: #VU36600

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-2018-17831

CWE-ID: CWE-89

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
REDAXO
Web applications / CRM systems

Vendor: REDAXO

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 passed via the index.php?page=users/users sort parameter. Endangered was the backend and the frontend only if rex_list were used. 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
Update to version 5.6.3.

Vulnerable software versions

REDAXO: 5.6.2

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External links
https://github.com/redaxo/redaxo/issues/2043
https://github.com/redaxo/redaxo/releases/tag/5.6.3
https://redaxo.org/cms/news/sicherheitsluecke-und-neue-yform-version/

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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.