CVE-2019-8266

Description

UltraVNC revision 1207 has multiple out-of-bounds access vulnerabilities connected with improper usage of ClientConnection::Copybuffer function in VNC client code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. User interaction is required to trigger these vulnerabilities. These vulnerabilities have been fixed in revision 1208.

Risk Information

Base Score
9.8
MODERATE
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
Exploitation Probability
1.255

Associated Vulnerability

VulnerabilityOS Platform
Multiple Vulnerabilities are affected in UltraVNC (MSI) (x64) 1.2.2.2Windows
Multiple Vulnerabilities are affected in UltraVNC (MSI) 1.2.2.2Windows
Multiple Vulnerabilities are affected in UltraVNC (x64) 1.2.2.2Windows
Multiple Vulnerabilities are affected in UltraVNC (x86) 1.2.2.2Windows

Patch Details

Click to see the patches provided by ManageEngine for this CVE
Patch IDPatch Description
PATCH-349101UltraVNC (x64) (1.6.4.0)
PATCH-349100UltraVNC (1.6.4.0)

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234