QID 730932

Date Published: 2023-10-16

QID 730932: Jenkins Multiple Security Vulnerabilities (Jenkins Security Advisory 2023-09-20)

Jenkins is an open-source automation server written in Java. Jenkins helps to automate the non-human part of the software development process, with continuous integration and facilitating technical aspects of continuous delivery.

CVE-2023-43494: Jenkins 2.50 through 2.423 (both inclusive), LTS 2.60.1 through 2.414.1 (both inclusive) does not exclude sensitive build variables (e.g., password parameter values) from this search.
CVE-2023-43495: Jenkins 2.423 and earlier, LTS 2.414.1 and earlier does not escape the value of the caption constructor parameter of ExpandableDetailsNote.

Affected Versions:
Jenkins weekly up to and including 2.423
Jenkins LTS up to and including 2.414.1

Fixed Versions:
Jenkins weekly should be updated to version 2.424
Jenkins LTS should be updated to version 2.414.2

QID Detection Logic(Unauthenticated):
This QID checks for vulnerable version by sending a crafted GET request to Jenkins. This QID also detects the vulnerable version from login page or HTTP header.

Successful exploitation of this vulnerability may allow attackers with Item/Read permission to obtain values of sensitive variables used in builds or execute arbitrary JavaScript code on the targeted user's browser.

CVSS V3 rated as Medium - 5.4 severity.

CVSS V2 rated as Medium - 5.5 severity.

Solution

Customers are advised to upgrade to latest Jenkins version.
For further details refer to Jenkins Security Advisory 2023-09-20

Vendor References

Jenkins Security Advisory 2023-09-20 - www.jenkins.io/security/advisory/2023-09-20/

CVEs related to QID 730932

CVE-2023-43494 | CVE-2023-43495 |

Software Advisories

Advisory ID	Software	Component	Link
Jenkins Security Advisory 2023-09-20			www.jenkins.io/security/advisory/2023-09-20/

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