Vulnerability identifier: #VU20068
Vulnerability risk: Medium
CVSSv4.0: 2.7 [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/E:U/U:Green]
CVE-ID:
CWE-ID:
CWE-200
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Undertow
Server applications /
Web servers
Vendor: Red Hat Inc.
Description
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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Undertow: 2.0.0.Alpha1 - 2.0.18
External links
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
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.