RHSA-2020:2737 - Security Advisory

Topic

An update for jenkins-2-plugins is now available for Red Hat OpenShift Container Platform 4.4.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

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-script-security-plugin: A sandbox protection bypass in the Jenkins Script Security Plugin allowed arbitrary code execution in sandboxed scripts. (CVE-2019-16538)
• jenkins-pipeline-groovy-plugin: A sandbox protection in the Jenkins Pipeline: Groovy Plugin could be circumvented through default parameter expressions in CPS-transformed methods. (CVE-2020-2109)
• jenkins-script-security-plugin: A sandbox protection in the Jenkins Script Security Plugin could be circumvented during the script compilation phase by applying AST transforming annotations. (CVE-2020-2110)
• jenkins-script-security-plugin: A sandbox protection in the Jenkins Script Security Plugin could be circumvented through crafted constructor calls and crafted constructor bodies. (CVE-2020-2134)
• jenkins-script-security-plugin: A sandbox protection in the Jenkins Script Security Plugin could be circumvented to arbitrary code execution. (CVE-2020-2135)
• jenkins-subversion-plugin: XSS in the Project Repository Base URL resulted in a stored cross-site scripting vulnerability. (CVE-2020-2111)
• jenkins-git-plugin: An issue with the Jenkins Git Plugin resulted in a stored cross-site scripting vulnerability. (CVE-2020-2136)

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.

Solution

For OpenShift Container Platform 4.4 see the following documentation, which
will be updated shortly for release 4.4.10, for important instructions on
how to upgrade your cluster and fully apply this asynchronous errata
update:

https://docs.openshift.com/container-platform/4.4/release_notes/ocp-4-4-release-notes.html

Details on how to access this content are available at
https://docs.openshift.com/container-platform/4.4/updating/updating-cluster-cli.html.

Affected Products

• Red Hat OpenShift Container Platform 4.4 for RHEL 7 x86_64
• Red Hat OpenShift Container Platform for Power 4.4 for RHEL 7 ppc64le
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.4 for RHEL 7 s390x

Fixes

• BZ - 1819074 - CVE-2020-2136 jenkins-git-plugin: stored cross-site scripting
• BZ - 1819078 - CVE-2020-2135 jenkins-script-security-plugin: sandbox protection bypass leads to arbitrary code execution
• BZ - 1819091 - CVE-2020-2134 jenkins-script-security-plugin: sandbox protection bypass via crafted constructor calls and crafted constructor bodies
• BZ - 1819093 - CVE-2020-2110 jenkins-script-security-plugin: sandbox protection bypass during script compilation phase by applying AST transforming annotations
• BZ - 1819095 - CVE-2020-2109 jenkins-pipeline-groovy-plugin: sandbox protection bypass through default parameter expressions in CPS-transformed methods
• BZ - 1819105 - CVE-2020-2111 jenkins-subversion-plugin: XSS in project repository base url
• BZ - 1819652 - CVE-2019-16538 jenkins-script-security-plugin: sandbox protection bypass leads to execute arbitrary code in sandboxed scripts

CVEs

• CVE-2019-16538
• CVE-2020-2109
• CVE-2020-2110
• CVE-2020-2111
• CVE-2020-2134
• CVE-2020-2135
• CVE-2020-2136

References

• https://access.redhat.com/security/updates/classification/#important