#VU48804 Improper access control in Chaos Monkey - CVE-2020-2323

Vulnerability identifier: #VU48804

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-2323

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Chaos Monkey
Web applications / Modules and components for CMS

Vendor: Jenkins

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to the affected plugin does not perform permission checks in an HTTP endpoint. A remote user with Overall/Read permission can access the Chaos Monkey page and see the history of actions.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Chaos Monkey: 0.1 - 0.4

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External links
https://www.openwall.com/lists/oss-security/2020/12/03/2
https://www.jenkins.io/security/advisory/2020-12-03/#SECURITY-2109%20(2)

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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.