QID 730064

Date Published: 2021-04-29

QID 730064: Jenkins Core Denial Of Service Vulnerability(Jenkins Security Advisory 2021-04-20)

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.

Affected Versions:
Jenkins weekly up to and including 2.285
Jenkins LTS up to and including 2.277.2

Fixed Versions:
Jenkins weekly should be updated to version 2.286
Jenkins LTS should be updated to version 2.277.3

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.

This vulnerability may allow unauthenticated attackers to cause a denial of service if Winstone-Jetty is configured to handle SSL/TLS connections.

CVSS V3 rated as High - 7.5 severity.

CVSS V2 rated as High - 7.8 severity.

Solution

Customers are advised to upgrade to latest Jenkins version
For further details refer to Jenkins Security Advisory 2021-04-20

Vendor References

Jenkins Security Advisory 2021-04-20 - www.jenkins.io/security/advisory/2021-04-20/

CVEs related to QID 730064

CVE-2021-28165 |

Software Advisories

Advisory ID	Software	Component	Link
Jenkins Security Advisory 2021-04-20			www.jenkins.io/security/advisory/2021-04-20/

By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].