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Jenkins < 2.319.3, < 2.334 DoS Vulnerability - Windows
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Jenkins is prone to a denial of service (DoS) vulnerability.
Insight
Insight
Jenkins is affected by the XStream library's vulnerability CVE-2021-43859. This library is used by Jenkins to serialize and deserialize various XML files, like global and job config.xml, build.xml, and numerous others. This allows attackers able to submit crafted XML files to Jenkins to be parsed as configuration, e.g. through the POST config.xml API, to cause a denial of service (DoS).
Affected Software
Affected Software
Jenkins version 2.333 and prior and 2.319.2 LTS and prior.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 2.334, 2.319.3 LTS or later.