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almalinuxAlmaLinuxALSA-2023:2257
HistoryMay 09, 2023 - 12:00 a.m.

Moderate: tigervnc security and bug fix update

2023-05-0900:00:00
errata.almalinux.org
6
tigervnc
security
bug fix
remote display
xorg-x11-server
cve-2022-4283
cve-2022-46340
cve-2022-46341
cve-2022-46342
cve-2022-46343
cve-2022-46344
almalinux
release notes

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.036 Low

EPSS

Percentile

91.7%

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: XkbGetKbdByName use-after-free (CVE-2022-4283)
  • xorg-x11-server: XTestSwapFakeInput stack overflow (CVE-2022-46340)
  • xorg-x11-server: XIPassiveUngrab out-of-bounds access (CVE-2022-46341)
  • xorg-x11-server: XvdiSelectVideoNotify use-after-free (CVE-2022-46342)
  • xorg-x11-server: ScreenSaverSetAttributes use-after-free (CVE-2022-46343)
  • xorg-x11-server: XIChangeProperty out-of-bounds access (CVE-2022-46344)

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 AlmaLinux Release Notes linked from the References section.

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.036 Low

EPSS

Percentile

91.7%