Vulnerability CVE-2021-23420
Published: 2021-08-11

Description:
This affects the package codeception/codeception from 4.0.0 and before 4.1.22, before 3.1.3. The RunProcess class can be leveraged as a gadget to run arbitrary commands on a system that is deserializing user input without validation.

Type:

CWE-502

 (Deserialization of Untrusted Data)

CVSS2 => (AV:N/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
10/10
10/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Codeception -> Codeception 

 References:
https://github.com/Codeception/Codeception/pull/6241
https://snyk.io/vuln/SNYK-PHP-CODECEPTIONCODECEPTION-1324585
https://github.com/Codeception/Codeception/blob/4.1/ext/RunProcess.php%23L52
https://github.com/JinYiTong/poc
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