Insufficient logging in Beats - CVE-2019-7613
Published: March 27, 2019
Vulnerability identifier: #VU18082
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-7613
CWE-ID: CWE-778
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker disrupt logging functionality of the application.
The vulnerability exists due to insufficient sanitization of user-supplied input when writing events into log files within the Winlogbeat. A remote attacker with ability to supply specially crafted characters to the Elasticsearch application can inject certain characters into a log entry could prevent Winlogbeat from recording the event.
Successful exploitation of the vulnerability may allow attackers to hide their malicious activity on the system.
Affected software
Beats
How to mitigate CVE-2019-7613
Install updates from vendor's website.
Beats - addressed in versions 5.6.16, 6.6.2