Information disclosure in Jenkins Configuration as Code plugin



Published: 2022-01-13
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-23106
CWE-ID CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Configuration as Code
Web applications / Modules and components for CMS

Vendor Jenkins

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU59592

Risk: Medium

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-23106

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the affected plugin does not use a constant-time comparison when checking whether two authentication tokens are equal. A remote attacker can use statistical methods to obtain a valid authentication token.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Configuration as Code: 0.1 - 1.55

External links

http://jenkins.io/security/advisory/2022-01-12/


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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