Bug 1797087 (CVE-2020-2100)

Summary: CVE-2020-2100 jenkins: UDP multicast/broadcast service amplification reflection attack
Product: [Other] Security Response Reporter: Pedro Sampaio <psampaio>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: abenaiss, adam.kaplan, aos-bugs, bmontgom, dahernan, eparis, extras-orphan, java-sig-commits, jburrell, jokerman, mizdebsk, msrb, nstielau, pbhattac, sponnaga, wzheng
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: jenkins 2.219, jenkins LTS 2.204.2 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-10-28 01:16:27 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1797088, 1797143, 1797144, 1797146, 1813070, 1873172    
Bug Blocks: 1797089    

Description Pedro Sampaio 2020-01-31 21:09:54 UTC 
Jenkins 2.218 and earlier, LTS 2.204.1 and earlier was vulnerable to a UDP amplification reflection denial of service attack on port 33848. 

References:

https://jenkins.io/security/advisory/2020-01-29/#SECURITY-1641
http://www.openwall.com/lists/oss-security/2020/01/29/1
Comment 1 Pedro Sampaio 2020-01-31 21:10:17 UTC 
Created jenkins tracking bugs for this issue:

Affects: fedora-all [bug 1797088]
Comment 4 Akram Ben Aissi 2020-03-03 09:06:19 UTC 
This bug has been fixed by https://errata.devel.redhat.com/advisory/50532 that brought Jenkins 2.204.2