CVE-2019-15680 Information

Description

TightVNC code version 1.3.10 contains null pointer dereference in HandleZlibBPP function which results Denial of System (DoS). This attack appear to be exploitable via network connectivity.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html https://usn.ubuntu.com/4407-1/ https://www.openwall.com/lists/oss-security/2018/12/10/5

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5