Improper Certificate Validation in Codefresh Integration plugin for Jenkins

1) Improper Certificate Validation

EUVDB-ID: #VU21553

Risk: Medium

CVSSv4.0: 1.7 [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 - Improper Certificate Validation

Exploit availability: No

Description

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.

Mitigation

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

Vulnerable software versions

Codefresh Integration: 1.0 - 1.8

CPE2.3

• cpe:2.3:a:jenkins:codefresh_integration:1.0:*:*:*:*:jenkins:*:*
• cpe:2.3:a:jenkins:codefresh_integration:1.1:*:*:*:*:jenkins:*:*
• cpe:2.3:a:jenkins:codefresh_integration:1.2:*:*:*:*:jenkins:*:*

External links

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

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.