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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.021
EPSS Ranking 83.2%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- 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/
- 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/
Products affected by CVE-2020-14399
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cpe:2.3:a:libvncserver_project:libvncserver:0.9.10
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cpe:2.3:a:libvncserver_project:libvncserver:0.9.11
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cpe:2.3:a:libvncserver_project:libvncserver:0.9.12
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cpe:2.3:a:libvncserver_project:libvncserver:0.9.4
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cpe:2.3:a:libvncserver_project:libvncserver:0.9.5
-
cpe:2.3:a:libvncserver_project:libvncserver:0.9.6
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cpe:2.3:a:libvncserver_project:libvncserver:0.9.7
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cpe:2.3:a:libvncserver_project:libvncserver:0.9.8
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cpe:2.3:a:libvncserver_project:libvncserver:0.9.8.1
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cpe:2.3:a:libvncserver_project:libvncserver:0.9.8.2
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cpe:2.3:a:libvncserver_project:libvncserver:0.9.9
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cpe:2.3:o:canonical:ubuntu_linux:16.04
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cpe:2.3:o:canonical:ubuntu_linux:18.04
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cpe:2.3:o:canonical:ubuntu_linux:20.04
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cpe:2.3:o:debian:debian_linux:8.0
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cpe:2.3:o:debian:debian_linux:9.0
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cpe:2.3:o:opensuse:leap:15.1
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cpe:2.3:o:opensuse:leap:15.2