Bug 1797084 (CVE-2020-2101) - CVE-2020-2101 jenkins: Non-constant time comparison of inbound TCP agent connection secret
Summary: CVE-2020-2101 jenkins: Non-constant time comparison of inbound TCP agent conn...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2020-2101
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1797085 1797143 1797144 1797146 1813070 1873172
Blocks: 1797089
TreeView+ depends on / blocked
 
Reported: 2020-01-31 21:05 UTC by Pedro Sampaio
Modified: 2021-10-28 01:16 UTC (History)
15 users (show)

Fixed In Version: jenkins 2.219, jenkins LTS 2.204.2
Doc Type: If docs needed, set a value
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Clone Of:
Environment:
Last Closed: 2021-10-28 01:16:21 UTC
Embargoed:


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Description Pedro Sampaio 2020-01-31 21:05:52 UTC
Jenkins 2.218 and earlier, LTS 2.204.1 and earlier did not use a constant-time comparison function for validating connection secrets, which could potentially allow an attacker to use a timing attack to obtain this secret.

References:

https://jenkins.io/security/advisory/2020-01-29/#SECURITY-1659
http://www.openwall.com/lists/oss-security/2020/01/29/1

Comment 1 Pedro Sampaio 2020-01-31 21:06:15 UTC
Created jenkins tracking bugs for this issue:

Affects: fedora-all [bug 1797085]

Comment 4 Sam Fowler 2020-02-01 02:01:41 UTC
"Any security advisory related updates to Jenkins core or the plugins we include in the OpenShift Jenkins master image will only occur in the v3.11 and v4.x branches of this repository."

https://github.com/openshift/jenkins/blob/master/README.md#jenkins-security-advisories-the-master-image-from-this-repository-and-the-oc-binary

Comment 5 Akram Ben Aissi 2020-03-03 09:06:29 UTC
This bug has been fixed by https://errata.devel.redhat.com/advisory/50532 that brought Jenkins 2.204.2


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