Improper Authorization in Jenkins Role-based Authorization Strategy plugin



Published: 2020-10-12
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2020-2286
CWE ID CWE-285
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Role-based Authorization Strategy
Web applications / Modules and components for CMS

Vendor Jenkins

Security Advisory

This security advisory describes one medium risk vulnerability.

1) Improper Authorization

Risk: Medium

CVSSv3: 6.5 [CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-2286

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to the cache to speed up permission lookups is not invalidated properly. A remote attacker can gain permissions long after the configuration was changed to no longer grant them.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Role-based Authorization Strategy: 1.0, 1.1, 1.1.1, 1.1.2, 1.1.3, 2.1.0, 2.2.0, 2.3.0, 2.3.1, 2.3.2, 2.4.0, 2.5.0, 2.5.1, 2.6.0, 2.6.1, 2.7.0, 2.8.0, 2.8.1, 2.8.2, 2.9.0, 2.10, 2.11, 2.12, 2.13, 2.14, 2.15, 2.16, 3.0

CPE External links

http://www.openwall.com/lists/oss-security/2020/10/08/5
https://www.jenkins.io/security/advisory/2020-10-08/#SECURITY-1767

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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