Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU36600
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 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Exploit availability: No
DescriptionThe 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.
MitigationUpdate to version 5.6.3.
Vulnerable software versionsREDAXO: 5.6.2
CPE2.3 External linkshttps://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/
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.