Cleartext storage of sensitive information in Undertow - CVE-2019-3888

 

Cleartext storage of sensitive information in Undertow - CVE-2019-3888

Published: August 13, 2019


Vulnerability identifier: #VU20066
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-3888
CWE-ID: CWE-312
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Red Hat Inc.
Affected software:
Undertow

Detailed vulnerability description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to the Connectors.executeRootHandler:402 logs the HttpServerExchange object at ERROR level using UndertowLogger.REQUEST_LOGGER.undertowRequestFailed(t, exchange), which includes logging of user credentials. A local user can view contents of log files and gain access to credentials in plain text that are stored in them.


How to mitigate CVE-2019-3888

Install updates from vendor's website.

Sources