CVE-2018-20020 — Out-of-bounds Write in Project Libvncserver
Severity
9.8CRITICALNVD
EPSS
21.0%
top 4.35%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 19
Latest updateMay 13
Description
LibVNC before commit 7b1ef0ffc4815cab9a96c7278394152bdc89dc4d contains heap out-of-bound write vulnerability inside structure in VNC client code that can result remote code execution
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9
Affected Packages2 packages
Also affects: Debian Linux 8.0, 9.0, Ubuntu Linux 14.04, 16.04, 18.04, 18.10
🔴Vulnerability Details
5GHSA▶
GHSA-v93r-hw5v-g7wc: LibVNC before commit 7b1ef0ffc4815cab9a96c7278394152bdc89dc4d contains heap out-of-bound write vulnerability inside structure in VNC client code that↗2022-05-13
OSV▶
CVE-2018-20020: LibVNC before commit 7b1ef0ffc4815cab9a96c7278394152bdc89dc4d contains heap out-of-bound write vulnerability inside structure in VNC client code that↗2018-12-19
CVEList▶
CVE-2018-20020: LibVNC before commit 7b1ef0ffc4815cab9a96c7278394152bdc89dc4d contains heap out-of-bound write vulnerability inside structure in VNC client code that↗2018-12-19
📋Vendor Advisories
6💬Community
3Bugzilla▶
CVE-2018-20020 libvncserver: Heap out-of-bound write inside structure in VNC client code allows for potential code execution [epel-7]↗2018-12-20
Bugzilla▶
CVE-2018-20020 libvncserver: Heap out-of-bound write inside structure in VNC client code allows for potential code execution↗2018-12-20
Bugzilla▶
CVE-2018-20020 libvncserver: Heap out-of-bound write inside structure in VNC client code allows for potential code execution [fedora-all]↗2018-12-20