OS Command Injection in jw.util - CVE-2020-13388

 

OS Command Injection in jw.util - CVE-2020-13388

Published: June 1, 2020


Vulnerability identifier: #VU28458
CSH Severity: High
CVSS v4.0: 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:P/U:Amber
CVE-ID: CVE-2020-13388
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Johnny Wezel
Affected software:
jw.util

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation in the configuration loading functionality. When loading a configuration with FromString or FromStream with YAML, a remote unauthenticated attacker can execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2020-13388

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources