QID 239304

Date Published: 2021-05-20

QID 239304: Red Hat Update for tigervnc (RHSA-2021:1783)

Virtual Network Computing (VNC)
is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients.The following packages have been upgraded to a later upstream version: tigervnc (1.11.0). (BZ#1880985)

Security Fix(es): tigervnc: certificate exceptions stored as authorities (CVE-2020-26117)

Affected Products:

Red Hat Enterprise Linux for x86_64 8 x86_64
Red Hat Enterprise Linux for IBM z Systems 8 s390x
Red Hat Enterprise Linux for Power, little endian 8 ppc64le
Red Hat Enterprise Linux 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 Critical - 8.1 severity.
  • CVSS V2 rated as Medium - 5.8 severity.
    • Solution
    Upgrade to the latest packages which contain a patch. Refer to Applying Package Updates to RHEL system for details.

    Refer to Red Hat security advisory RHSA-2021:1783 to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 239304

    CVE-2020-26117 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:1783 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2021:1783?language=en
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