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CVE-2019-8287

Published: 29 October 2019

TightVNC code version 1.3.10 contains global buffer overflow in HandleCoRREBBP macro function, which can potentially result code execution. This attack appear to be exploitable via network connectivity.

From the Ubuntu Security Team

It was discovered that TightVNC contains global buffer overflow vulnerability. A attacker could use it to provoke a Denial of Service or even a remote code execution.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
tightvnc
Launchpad, Ubuntu, Debian
hirsute Ignored
(end of life)
xenial Needed

jammy Needed

impish Ignored
(end of life)
kinetic Ignored
(end of life, was needed)
bionic Needed

disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Needed

groovy Ignored
(end of life)
trusty
Released (1.3.9-6.5+deb8u1build0.14.04.1~esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream Needed

mantic Needed

lunar Ignored
(end of life, was needed)

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H