Information disclosure in Undertow - CVE-2018-14642
Published: August 13, 2019
Vulnerability identifier: #VU20068
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-14642
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to incorrect processing of HTTP response headers during buffer flushing. A remote attacker can view contents of HTTP responses from previous requests.
Affected software
Undertow
Red Hat Single Sign-On
Red Hat Single Sign-On
How to mitigate CVE-2018-14642
Install updates from vendor's website.
Undertow - update to 2.0.19
Red Hat Single Sign-On - update to 7.3.1
Red Hat Single Sign-On - update to 7.3.1
External References
- https://access.redhat.com/errata/RHSA-2019:0362
- https://access.redhat.com/errata/RHSA-2019:0364
- https://access.redhat.com/errata/RHSA-2019:0365
- https://access.redhat.com/errata/RHSA-2019:0380
- https://access.redhat.com/errata/RHSA-2019:1106
- https://access.redhat.com/errata/RHSA-2019:1107
- https://access.redhat.com/errata/RHSA-2019:1108
- https://access.redhat.com/errata/RHSA-2019:1140
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14642