Improper validation of certificate with host mismatch in Jenkins SmallTest plugin



Published: 2022-09-23
Risk Medium
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2022-41243
CWE-ID CWE-297
Exploitation vector Network
Public exploit N/A
Vulnerable software
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SmallTest
Web applications / Modules and components for CMS

Vendor Jenkins

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper validation of certificate with host mismatch

EUVDB-ID: #VU67607

Risk: Medium

CVSSv3.1: 4.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2022-41243

CWE-ID: CWE-297 - Improper Validation of Certificate with Host Mismatch

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the affected plugin does not perform hostname validation when connecting to the configured SmallTest server. A remote attacker can perform a man-in-the-middle (MitM) attack to intercept these connections

Mitigation

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

Vulnerable software versions

SmallTest: 1.0.1 - 1.0.4

External links

http://jenkins.io/security/advisory/2022-09-21/


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.



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