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Red Hat Security Advisory

Synopsis: Moderate: OpenShift Container Platform 3.11.318 jenkins-2-plugins security update
Advisory ID: RHSA-2020:5102-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5102
Issue date: 2020-11-17
CVE Names: CVE-2020-2252 CVE-2020-2254 CVE-2020-2255
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1. Summary:

An update for jenkins-2-plugins is now available for Red Hat OpenShift
Container Platform 3.11.

Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat OpenShift Container Platform 3.11 – noarch

3. Description:

Red Hat OpenShift Container Platform is Red Hat’s cloud computing
Kubernetes application platform solution designed for on-premise or private
cloud deployments.

Security Fix(es):

* jenkins-2-plugins/mailer: Missing hostname validation in Mailer Plugin
could result in MITM (CVE-2020-2252)

* jenkins-2-plugins/blueocean: Path traversal vulnerability in Blue Ocean
Plugin could allow to read arbitrary files (CVE-2020-2254)

* jenkins-2-plugins/blueocean: Blue Ocean Plugin does not perform
permission checks in several HTTP endpoints implementing connection tests
(CVE-2020-2255)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

4. Solution:

See the following documentation, which will be updated shortly for this
release, for important instructions on how to upgrade your cluster and
fully
apply this asynchronous errata update:

https://docs.openshift.com/container-platform/3.11/release_notes/ocp_3_11_r
elease_notes.html

This update is available via the Red Hat Network. Details on how to use the
Red Hat Network to apply this update are available at
https://access.redhat.com/articles/11258.

5. Bugs fixed (https://bugzilla.redhat.com/):

1880454 – CVE-2020-2252 jenkins-2-plugins/mailer: Missing hostname validation in Mailer Plugin could result in MITM
1880456 – CVE-2020-2254 jenkins-2-plugins/blueocean: Path traversal vulnerability in Blue Ocean Plugin could allow to read arbitrary files
1880460 – CVE-2020-2255 jenkins-2-plugins/blueocean: Blue Ocean Plugin does not perform permission checks in several HTTP endpoints implementing connection tests.

6. Package List:

Red Hat OpenShift Container Platform 3.11:

Source:
jenkins-2-plugins-3.11.1603460090-1.el7.src.rpm

noarch:
jenkins-2-plugins-3.11.1603460090-1.el7.noarch.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2020-2252
https://access.redhat.com/security/cve/CVE-2020-2254
https://access.redhat.com/security/cve/CVE-2020-2255
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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