HTTP response splitting in Undertow - CVE-2017-2666
Published: July 17, 2017
Vulnerability identifier: #VU7548
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-2666
CWE-ID: CWE-113
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Red Hat Inc.
Affected software:
Undertow
Undertow
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a phishing attack
The vulnerability exists due to an error when processing headers in HTTP requests in Undertow. A remote attacker can create a specially crafted HTTP request, split the HTTP response from server and poison the web cache.
Successful exploitation of the vulnerability may allow an attacker to poison web cache and perform phishing or XSS attacks against website visitors.
How to mitigate CVE-2017-2666
Update to version 1.4.18.