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redhatRedHatRHSA-2024:2298
HistoryApr 30, 2024 - 6:15 a.m.

(RHSA-2024:2298) Important: tigervnc security update

2024-04-3006:15:18
access.redhat.com
7
tigervnc
security update
xorg-x11-server
use-after-free
cve-2023-5574
cve-2023-5380
remote display system
red hat enterprise linux 9.4

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.7 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

15.9%

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: Use-after-free bug in DamageDestroy (CVE-2023-5574)

  • xorg-x11-server: Use-after-free bug in DestroyWindow (CVE-2023-5380)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.4 Release Notes linked from the References section.

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.7 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

15.9%