Vulnerability Details : 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.
Products affected by CVE-2020-14399
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
- cpe:2.3:a:libvncserver_project:libvncserver:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-14399
0.78%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 81 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-14399
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
References for CVE-2020-14399
-
https://bugzilla.redhat.com/show_bug.cgi?id=1860354
1860354 – (CVE-2020-14399) CVE-2020-14399 libvncserver: byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.cIssue Tracking;Patch;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html
[SECURITY] [DLA 2264-1] libvncserver security updateMailing List;Third Party Advisory
-
https://usn.ubuntu.com/4434-1/
USN-4434-1: LibVNCServer vulnerabilities | Ubuntu security notices | UbuntuThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html
[security-announce] openSUSE-SU-2020:1025-1: important: Security updateMailing List;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html
[security-announce] openSUSE-SU-2020:1056-1: important: Security updateMailing List;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html
[security-announce] openSUSE-SU-2020:0988-1: important: Security updateMailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html
[SECURITY] [DLA 2347-1] libvncserver security updateMailing List;Third Party Advisory
-
https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13
Comparing LibVNCServer-0.9.12...LibVNCServer-0.9.13 · LibVNC/libvncserver · GitHubRelease Notes
-
https://github.com/LibVNC/libvncserver/commit/23e5cbe6b090d7f22982aee909a6a618174d3c2d
libvncclient: fix pointer aliasing/alignment issue · LibVNC/libvncserver@23e5cbe · GitHubPatch
Jump to