QID 241038

Date Published: 2023-01-11

QID 241038: Red Hat Update for tigervnc (RHSA-2023:0045)

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...Security Fix(es):

    xorg-x11-server: x.org server xkbgetkbdbyname use-after-free (cve-2022-4283).
    Xorg-x11-server: x.org server xtestswapfakeinput stack overflow (cve-2022-46340).
    Xorg-x11-server: x.org server xipassiveungrab out-of-bounds access (cve-2022-46341).
    Xorg-x11-server: x.org server xvdiselectvideonotify use-after-free (cve-2022-46342).
    Xorg-x11-server: x.org server screensaversetattributes use-after-free (cve-2022-46343).
    Xorg-x11-server: x.org server xichangeproperty out-of-bounds access (cve-2022-46344).
Affected Products:
    Red Hat enterprise linux server 7 x86_64.
    Red hat enterprise linux workstation 7 x86_64.
    Red hat enterprise linux desktop 7 x86_64.
    Red hat enterprise linux for ibm z systems 7 s390x.
    Red hat enterprise linux for power, big endian 7 ppc64.
    Red hat enterprise linux for scientific computing 7 x86_64.
    Red hat enterprise linux for power, little endian 7 ppc64le.
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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.

Successful exploitation of this vulnerability could lead to a security breach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as Critical - 8.8 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
  • Solution
    Refer to Red Hat security advisory RHSA-2023:0045 for updates and patch information.
    Vendor References
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2023:0045 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2023:0045