The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4799 advisory.

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

    This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.6.51. See the following     advisory for the container images for this release:

    https://access.redhat.com/errata/RHBA-2021:4800

    Security Fix(es):

    * jenkins-2-plugins/subversion: does not restrict the name of a file when     looking up a subversion key (CVE-2021-21698)
    * jenkins: FilePath#mkdirs does not check permission to create parent     directories (CVE-2021-21685)
    * jenkins: File path filters do not canonicalize paths, allowing operations     to follow symbolic links to outside allowed directories (CVE-2021-21686)
    * jenkins: FilePath#untar does not check permission to create symbolic     links when unarchiving a symbolic link (CVE-2021-21687)
    * jenkins: FilePath#reading(FileVisitor) does not reject any operations     allowing users to have unrestricted read access (CVE-2021-21688)
    * jenkins: FilePath#unzip and FilePath#untar were not subject to any access     control (CVE-2021-21689)
    * jenkins: Agent processes are able to completely bypass file path     filtering by wrapping the file operation in an agent file path     (CVE-2021-21690)
    * jenkins: Creating symbolic links is possible without the symlink     permission (CVE-2021-21691)
    * jenkins: The operations FilePath#renameTo and FilePath#moveAllChildrenTo     only check read permission on the source path (CVE-2021-21692)
    * jenkins: When creating temporary files, permission to create files is     only checked after theyve been created. (CVE-2021-21693)
    * jenkins: FilePath#toURI, FilePath#hasSymlink, FilePath#absolutize,     FilePath#isDescendant, and FilePath#get*DiskSpace do not check any     permissions (CVE-2021-21694)
    * jenkins: FilePath#listFiles lists files outside directories with agent     read access when following symbolic links. (CVE-2021-21695)
    * jenkins: Agent-to-controller access control allowed writing to sensitive     directory used by Pipeline: Shared Groovy Libraries Plugin (CVE-2021-21696)
    * jenkins: Agent-to-controller access control allows reading/writing most     content of build directories (CVE-2021-21697)

    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.

    All OpenShift Container Platform 4.6 users are advised to upgrade to these updated packages and images     when they are available in the appropriate release channel. To check for available updates, use the     OpenShift Console or the CLI oc command. Instructions for upgrading a cluster are available at     https://docs.openshift.com/container-platform/4.6/updating/updating-cluster-between-     minor.html#understanding-upgrade-channels_updating-cluster-between-minor

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Red Hat Enterprise Linux CoreOS 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4827 advisory.

  - jenkins: FilePath#mkdirs does not check permission to create parent directories (CVE-2021-21685)

  - jenkins: File path filters do not canonicalize paths, allowing operations to follow symbolic links to     outside allowed directories (CVE-2021-21686)

  - jenkins: FilePath#untar does not check permission to create symbolic links when unarchiving a symbolic     link (CVE-2021-21687)

  - jenkins: FilePath#reading(FileVisitor) does not reject any operations allowing users to have unrestricted     read access (CVE-2021-21688)

  - jenkins: FilePath#unzip and FilePath#untar were not subject to any access control (CVE-2021-21689)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
155831	RHEL 8 : OpenShift Container Platform 4.6.51 (RHSA-2021:4799)	Nessus	Red Hat Local Security Checks	2021/12/3	2024/11/7	critical
312574	RHCOS 3 : OpenShift Container Platform 3.11.569 (RHSA-2021:4827)	Nessus	Red Hat Local Security Checks	2026/5/6	2026/5/6	critical

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