Input validation error in Pipeline: AWS Steps - CVE-2020-2166
Published: March 26, 2020
Vulnerability identifier: #VU26396
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-2166
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to the affected software does not configure its YAML parser to prevent the instantiation of arbitrary types. A remote authenticated attacker able to provide YAML input files can execute arbitrary code on the target system.
Affected software
Pipeline: AWS Steps
How to mitigate CVE-2020-2166
Install updates from vendor's website.
Pipeline: AWS Steps - update to 1.41