#VU67607 Improper validation of certificate with host mismatch in SmallTest - CVE-2022-41243

Vulnerability identifier: #VU67607

Vulnerability 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-2022-41243

CWE-ID: CWE-297

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SmallTest
Web applications / Modules and components for CMS

Vendor: Jenkins

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

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External links
https://jenkins.io/security/advisory/2022-09-21/

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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.