Man-in-the-Middle (MitM) attack in Google Compute Engine - CVE-2019-16546

 

Man-in-the-Middle (MitM) attack in Google Compute Engine - CVE-2019-16546

Published: November 22, 2019


Vulnerability identifier: #VU22922
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-16546
CWE-ID: CWE-300
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Jenkins
Affected software:
Google Compute Engine

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a man-in-the-middle (MitM) attack.

The vulnerability exists due to the affected plugin does not use SSH host key verification when connecting to VMs launched by the plugin. A remote attacker can perform a man-in-the-middle attack to intercept these connections to attacker-specified build agents without warning.


How to mitigate CVE-2019-16546

Install updates from vendor's website.

Sources