Jenkins.UDP.Amplification.Reflection.Dos

description-logoDescription

This indicates an attack attempt to exploit a Denial of Service Vulnerability in Jenkins server.
A remote, unauthenticated attacker can exploit this vulnerability in a Jenkins Server by sending crafted requests to the target server. Successful exploitation will cause the server process to abnormally terminate, resulting in a denial-of-service condition..
This signature will use track and rate feature. The default threshold for the signature is 200 attempts in 1 second.

affected-products-logoAffected Products

Jenkins 2.218 and earlier, LTS 2.204.1 and earlier

Impact logoImpact

Denial of Service: Remote attackers can crash vulnerable systems

recomended-action-logoRecommended Actions

Apply the most recent upgrade or patch from the vendor.
https://jenkins.io/security/advisory/2020-01-29/#SECURITY-1641

Telemetry logoTelemetry

Coverage

IPS (Regular DB)
IPS (Extended DB)

Version Updates

Date Version Detail
2020-03-03 15.787 Default_action:pass:drop
2020-02-24 15.782