Improper input validation in Apache Tomcat - CVE-2017-7674

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Main Vulnerability Database Vulnerabilities #VU8697

Improper input validation in Apache Tomcat - CVE-2017-7674

Published: October 5, 2017


Vulnerability identifier: #VU8697
CSH Severity: Low
CVSS v4: 5.1 [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]
CVE-ID: CVE-2017-7674
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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




Affected software

Apache Tomcat
Amazon Linux AMI
Debian Linux
Fedora
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux EUS Compute Node
SUSE Linux
Opensuse
Dell Support Assist Enterprise
Storage Copy Data Management
EMC Cloud Tiering Appliance
IBM Algo One Core
tomcat

How to mitigate CVE-2017-7674

The vulnerability is addressed in the following versions: 7.0.79, 8.0.45 and 8.5.16.

Dell Support Assist Enterprise - update to 4.00.06.00
Storage Copy Data Management - update to 2.2.26.0
tomcat - addressed in versions 7.0.81-1.el6, 8.0.46-1.fc25, 8.0.46-1.fc26
EMC Cloud Tiering Appliance - addressed in versions 13.0.0.2.29, 13.1.0.2.20

External References

Related Security Bulletins