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centosCentOS ProjectCESA-2024:0006
HistoryJan 12, 2024 - 7:01 p.m.

tigervnc security update

2024-01-1219:01:36
CentOS Project
lists.centos.org
30
tigervnc
security
update
out-of-bounds
memory
reads
writes

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6.8 Medium

AI Score

Confidence

Low

0.273 Low

EPSS

Percentile

96.8%

CentOS Errata and Security Advisory CESA-2024:0006

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: out-of-bounds memory reads/writes in XKB button actions (CVE-2023-6377)

  • xorg-x11-server: out-of-bounds memory read in RRChangeOutputProperty and RRChangeProviderProperty (CVE-2023-6478)

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.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2024-January/099175.html

Affected packages:
tigervnc
tigervnc-icons
tigervnc-license
tigervnc-server
tigervnc-server-applet
tigervnc-server-minimal
tigervnc-server-module

Upstream details at:
https://access.redhat.com/errata/RHSA-2024:0006

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6.8 Medium

AI Score

Confidence

Low

0.273 Low

EPSS

Percentile

96.8%