A vulnerability, which was classified as critical, was found in Codiad up to 2.8.3. Affected is some unknown functionality of the file components/filemanager/class.filemanager.php. The manipulation of the argument search_file_type as part of a Parameter leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

components/filemanager/class.filemanager.php in Codiad before 2.8.4 is vulnerable to remote command execution because shell commands can be embedded in parameter values, as demonstrated by search_file_type.

The bug was discovered 07/17/2017. The weakness was presented 08/21/2017 (Website). The advisory is available at jianshu.com. This vulnerability is traded as CVE-2017-11366 since 07/17/2017. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 34 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:components/filemanager/class.filemanager.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 2.8.4 eliminates this vulnerability.

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