Vulnerability identifier: #VU58153

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L/E:U/RL:U/RC:C]

CVE-ID: CVE-2021-43578

CWE-ID: CWE-693

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Squash TM Publisher (Squash4Jenkins)
Web applications / Modules and components for CMS

Vendor: Jenkins

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to the affected plugin implements an agent-to-controller message that does not implement any validation of its input. A remote authenticated attacker can replace arbitrary files on the Jenkins controller file system.

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

Vulnerable software versions

Squash TM Publisher (Squash4Jenkins): 1.0.0

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External links
http://www.jenkins.io/security/advisory/2021-11-12/#SECURITY-2525
http://www.openwall.com/lists/oss-security/2021/11/12/1

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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