CVE-2020-14399

An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c. NOTE: there is reportedly "no trust boundary crossed.

Published: Jun 17, 2020
Updated: Nov 8, 2023
CVE: CVE-2020-14399
Severity: High
Exploit:

CVSS v3:

Severity: High
Score: 7.5
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

Severity: Medium
Score: 5
AV:N/AC:L/Au:N/C:N/I:N/A:P

No CWE or OWASP classifications available.

Affected Software
References

Software	From	Fixed in
libvncserver_project / libvncserver	-	0.9.13
debian / debian_linux	8.0	8.0.x
debian / debian_linux	9.0	9.0.x
opensuse / leap	15.1	15.1.x
opensuse / leap	15.2	15.2.x
canonical / ubuntu_linux	18.04	18.04.x
canonical / ubuntu_linux	20.04	20.04.x
canonical / ubuntu_linux	16.04	16.04.x

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html
https://bugzilla.redhat.com/show_bug.cgi?id=1860354
https://github.com/LibVNC/libvncserver/commit/23e5cbe6b090d7f22982aee909a6a618174d3c2d
https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13
https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html
https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html
https://usn.ubuntu.com/4434-1/

Vulnerability Database

289,599

CVE-2020-14399