The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:0558 advisory.

    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: Heap buffer overflow in DeviceFocusEvent and ProcXIQueryPointer (CVE-2023-6816)

    * xorg-x11-server: reattaching to different master device may lead to out-of-bounds memory access     (CVE-2024-0229)

    * xorg-x11-server: heap buffer overflow in XISendDeviceHierarchyEvent (CVE-2024-21885)

    * xorg-x11-server: heap buffer overflow in DisableDevice (CVE-2024-21886)

    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.

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.

Detections

Analytics

RHEL 8 : tigervnc (RHSA-2024:0558)

critical Nessus Plugin ID 189787

Version 1.3

Version 1.2

Version 1.1

Version 1.0

Version 1.3 Nov 7, 2024, 11:28 PM CVSS metrics ("Cvssv4 score" set to 0.0) CVSSv2 severity (based on None, severity decreased from "High" to "Low") Plugin metadata Plugin Feed: 202411072328
Version 1.2 Jun 4, 2024, 3:18 AM Plugin metadata Plugin Feed: 202406040318
Version 1.1 Apr 28, 2024, 2:25 PM Detection (updated detection logic) Plugin metadata Reference Plugin Feed: 202404281425
Version 1.0 Jan 30, 2024, 7:07 PM New Plugin Feed: 202401301907