PT-2020-15378 · Jenkins · Jenkins Pipeline: Aws Steps Plugin+1

Published 2020-03-25 · Updated 2023-10-25 · CVE-2020-2166

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Jenkins Pipeline: AWS Steps Plugin versions 1.40 and earlier

Description The issue is related to the configuration of the YAML parser in the Jenkins Pipeline: AWS Steps Plugin, which does not prevent the instantiation of arbitrary types. This results in a remote code execution vulnerability that can be exploited by users who can provide YAML input files to the plugin's build steps.

Recommendations For versions 1.40 and earlier, update to version 1.41 or later, which configures its YAML parser to only instantiate safe types.

Fix

RCE

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

CWE-20

Related Identifiers

CVE-2020-2166

GHSA-W598-25HM-JQX3

Affected Products

Jenkins

Jenkins Pipeline: Aws Steps Plugin

References · 7

• https://jenkins.io/security/advisory/2020-03-25/#SECURITY-1741 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-2166 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-2166 · Security Note
• https://osv.dev/vulnerability/GHSA-w598-25hm-jqx3 · Vendor Advisory
• https://github.com/jenkinsci/pipeline-aws-plugin · Note
• http://openwall.com/lists/oss-security/2020/03/25/2 · Note
• https://t.me/cvenotify/2141 · Telegram Post