Deserialization of Untrusted Data in JYaml - CVE-2020-8441

 

Deserialization of Untrusted Data in JYaml - CVE-2020-8441

Published: February 25, 2020


Vulnerability identifier: #VU25590
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-2020-8441
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Sean O\'Dell
Affected software:
JYaml

Detailed vulnerability description

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

The vulnerability exists due to insecure input validation when processing serialized data passed via the "load()" function. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

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


How to mitigate CVE-2020-8441

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

Sources