Improper Certificate Validation in Codefresh Integration - CVE-2019-10381

Vulnerability identifier: #VU21553

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2019-10381

CWE-ID: CWE-295

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Jenkins

Affected software:
Codefresh Integration

The vulnerability allows a remote attacker to perform a man-in-the-middle (MiTM) attack.

The vulnerability exists due to the affected software unconditionally disables SSL/TLS certificate validation for the entire Jenkins master JVM. A remote attacker can supply a specially crafted SSL/TLS certificate, conduct man-in-the-middle attacks and connect to a targeted system.

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

• http://www.openwall.com/lists/oss-security/2019/08/07/1
• https://jenkins.io/security/advisory/2019-08-07/#SECURITY-931