CVE-2019-17067 Information

Description

PuTTY before 0.73 on Windows improperly opens port-forwarding listening sockets which allows attackers to listen on the same port to steal an incoming connection.

CVSS Vector

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

Reference

https://lists.tartarus.org/pipermail/putty-announce/2019/000029.html https://security.netapp.com/advisory/ntap-20191127-0003/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8