#VU8697 Improper input validation in Apache Tomcat - CVE-2017-7674
Published: October 5, 2017
Vulnerability identifier: #VU8697
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-7674
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Apache Tomcat
Apache Tomcat
Software vendor:
Apache Foundation
Apache Foundation
Description
The vulnerability allows a remote attacker to conduct client and server side cache poisoning.
The weakness exists due to the failure to add an HTTP Vary header indicating that the response varies depending on Origin by the CORS Filter. A remote attacker can trick the victim to follow a specially crafted link and conduct client and server side cache poisoning.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks
The weakness exists due to the failure to add an HTTP Vary header indicating that the response varies depending on Origin by the CORS Filter. A remote attacker can trick the victim to follow a specially crafted link and conduct client and server side cache poisoning.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks
Remediation
The vulnerability is addressed in the following versions: 7.0.79, 8.0.45 and 8.5.16.