PT-2021-14720 · Jenkins · Jenkins Code Coverage Api Plugin+1

Published 2021-08-31 · Updated 2023-11-22 · CVE-2021-21677

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 Code Coverage API Plugin versions 1.4.0 and earlier

Description The issue results from the Jenkins Code Coverage API Plugin not applying Jenkins JEP-200 deserialization protection to Java objects it deserializes from disk. This leads to a remote code execution vulnerability that can be exploited by attackers who can control agent processes.

Recommendations For Jenkins Code Coverage API Plugin versions 1.4.0 and earlier, update to version 1.4.1 or later, which configures its Java object deserialization to only deserialize safe types.

Fix

RCE

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2021-21677

GHSA-58PR-HPRX-7HG6

Affected Products

Jenkins

Jenkins Code Coverage Api Plugin

References · 8

• https://jenkins.io/security/advisory/2021-08-31/#SECURITY-2376 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-21677 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-58pr-hprx-7hg6 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21677 · Security Note
• https://github.com/jenkinsci/code-coverage-api-plugin · Note
• https://github.com/jenkinsci/code-coverage-api-plugin/commit/a5b3c18cff2a0b494c55fa73b05fc935b50530be · Note
• https://t.me/cibsecurity/28088 · Telegram Post
• http://openwall.com/lists/oss-security/2021/08/31/1 · Note