Insufficient logging in Beats - CVE-2019-7613
Published: March 27, 2019
Vulnerability identifier: #VU18082
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2019-7613
CWE-ID: CWE-778
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Elastic Stack
Affected software:
Beats
Beats
Detailed vulnerability description
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.
How to mitigate CVE-2019-7613
Install updates from vendor's website.