QID 239838

Date Published: 2021-11-10

QID 239838: Red Hat Update for pcs security (RHSA-2021:4142)

the pcs packages provide a command-line configuration system for the pacemaker and corosync utilities.

Security Fix(es):
  • jquery: cross-site scripting (xss) via <script> html tags containing whitespaces (cve-2020-7656)
  • jquery: untrusted code execution via <option> tag in html passed to dom manipulation methods (cve-2020-11023)

Affected Products:

  • Red Hat enterprise linux high availability for x86_64 8 x86_64
  • Red Hat enterprise linux resilient storage for x86_64 8 x86_64
  • Red Hat enterprise linux resilient storage for ibm z systems 8 s390x
  • Red Hat enterprise linux high availability for ibm z systems 8 s390x
  • Red Hat enterprise linux resilient storage for power, little endian 8 ppc64le
  • Red Hat enterprise linux high availability for power, little endian 8 ppc64le
  • Red Hat enterprise linux high availability for arm 64 8 aarch64



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

On successful exploitation, it could allow an attacker to execute code.

  • CVSS V3 rated as High - 6.1 severity.
  • CVSS V2 rated as Medium - 4.3 severity.
    • Solution
    Upgrade to the latest packages which contain a patch.

    Refer to Refer to :
    Applying Package Updates to RHEL system     for details.

    Refer to Red Hat security advisory RHSA-2021:4142 Update to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 239838

    CVE-2020-7656 | CVE-2020-11023 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:4142 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2021:4142
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