Man-in-the-Middle (MitM) attack in Microsoft Windows and Windows Server - CVE-2019-1318

 

Man-in-the-Middle (MitM) attack in Microsoft Windows and Windows Server - CVE-2019-1318

Published: October 9, 2019


Vulnerability identifier: #VU21686
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-1318
CWE-ID: CWE-300
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due an error when establishing a TLS session with a non- Extended Master Secret (EMS) peer. A remote attacker can perform MitM (man-in-the-middle) attack and decrypt data passed via TLS channel.


Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2019-1318

Install updates from vendor's website.


External References

Related Security Bulletins