Permissions, Privileges, and Access Controls in PuTTY - CVE-2019-17067

 

Permissions, Privileges, and Access Controls in PuTTY - CVE-2019-17067

Published: October 7, 2019


Vulnerability identifier: #VU21599
CSH Severity: Low
CVSS v4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-17067
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to tamper with application connection.

The vulnerability exists due to PuTTY when installed on Windows OS improperly opens port-forwarding listening sockets. A local user can listen on the same port and intercept all incoming connection packets.


Affected software

PuTTY

How to mitigate CVE-2019-17067

Install updates from vendor's website.

PuTTY - update to 0.73

External References

Related Security Bulletins