Elefant CMS layout code injection

Vulnerability

Overview CVE-2017-20064 describes a critical code injection vulnerability in Elefant CMS version 1.3.12-RC. The flaw resides in the /designer/add/layout file, where manipulation of input leads to code injection. The exact root cause is not publicly detailed, but the vulnerability is classified as critical due to the potential for remote exploitation. [1]

Exploitation

The attack can be launched remotely without requiring authentication, making it accessible to any network-connected attacker. The specific prerequisites or attack vector are not elaborated, but the remote nature suggests that the vulnerable endpoint is exposed by default. [1]

Impact

Successful exploitation allows an attacker to inject and execute arbitrary code on the server, potentially leading to full compromise of the CMS installation and underlying system. The CVSS score is not provided in the available references, but the "critical" designation indicates high severity. [1]

Mitigation

The vendor addressed the issue in Elefant CMS version 1.3.13. Users are strongly advised to upgrade to this version or later. The project is maintained on GitHub, where updates and release notes can be found. [1][2]