VNC: libVNC LibVNCClient CoRRE Heap-based Buffer Overflow
This signature detects attempts to exploit a known vulnerability in the libVNC LibVNCClient. A successful attack can lead to a buffer overflow and arbitrary remote code execution.
Extended Description
LibVNC before commit 7b1ef0ffc4815cab9a96c7278394152bdc89dc4d contains heap out-of-bound write vulnerability inside structure in VNC client code that can result remote code execution
Affected Products
Libvnc_project libvncserver
References
CVE: CVE-2018-20020
Short Name
VNC:OVERFLOW:CVE-2018-20020-BO
Severity
Major
Recommended
True
Recommended Action
Drop
Category
VNC
Keywords
Buffer CVE-2018-20020 CoRRE Heap-based LibVNCClient Overflow libVNC
Release Date
03/14/2019
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3590
False Positive
Unknown
Vendors
Libvnc_project
Debian
Canonical
CVSS Score
7.5