Detections
Analytics
RHEL 9 : tigervnc (RHSA-2024:2616)
high Nessus Plugin ID 194827
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Synopsis
The remote Red Hat host is missing one or more security updates for tigervnc.Description
The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:2616 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 overread/data leakage in ProcXIGetSelectedEvents (CVE-2024-31080)
* xorg-x11-server: Heap buffer overread/data leakage in ProcXIPassiveGrabDevice (CVE-2024-31081)
* xorg-x11-server: User-after-free in ProcRenderAddGlyphs (CVE-2024-31083)
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.
Solution
Update the RHEL tigervnc package based on the guidance in RHSA-2024:2616.See Also
http://www.nessus.org/u?a8b6dc48
https://access.redhat.com/errata/RHSA-2024:2616
https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2271997
Plugin Details
Severity: High
ID: 194827
File Name: redhat-RHSA-2024-2616.nasl
Version: 1.4
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 4/30/2024
Updated: 11/7/2024
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: High
Base Score: 8
Temporal Score: 5.9
Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:C
CVSS Score Source: CVE-2024-31081
CVSS v3
Risk Factor: High
Base Score: 7.8
Temporal Score: 6.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
CVSS Score Source: CVE-2024-31083
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:tigervnc, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:tigervnc-server-module, cpe:/o:redhat:rhel_eus:9.4, p-cpe:/a:redhat:enterprise_linux:tigervnc-license, p-cpe:/a:redhat:enterprise_linux:tigervnc-server-minimal, p-cpe:/a:redhat:enterprise_linux:tigervnc-server, p-cpe:/a:redhat:enterprise_linux:tigervnc-selinux, p-cpe:/a:redhat:enterprise_linux:tigervnc-icons
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 4/30/2024
Vulnerability Publication Date: 4/4/2024