High severity · published Jun 17, 2020
CVE-2020-14399
An issue was discovered in LibVNCServer before 0.9.13
7.5
CVSS
2.8%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.8% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
LE
Leap · Opensuse
15.1; 15.2 · source: NVD
LI
Libvncserver · Libvncserver Project
before 0.9.13 · source: NVD
UL
Ubuntu Linux · Canonical
16.04; 18.04; 20.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-14399
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-14399
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1860354
Patch
https://github.com/LibVNC/libvncserver/commit/23e5cbe6b090d7f22982aee909a6a618174d3c2d
Release Notes
https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13
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