CVE-2016-4993

Impact:
Moderate
Public Date:
2016-09-08
CWE:
CWE-113
Bugzilla:
1344321: CVE-2016-4993 eap: HTTP header injection / response splitting
It was reported that EAP 7 Application Server/Undertow web server is vulnerable to the injection of arbitrary HTTP headers, and also response splitting, due to insufficient sanitization and validation of user input before the input is used as part of an HTTP header value.

Find out more about CVE-2016-4993 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 5.8
Base Metrics AV:N/AC:M/Au:N/C:P/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact None

CVSS v3 metrics

CVSS3 Base Score 5.4
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Low
Integrity Impact Low
Availability Impact None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat JBoss Enterprise Application Platform 7.0 for RHEL 6 Server (eap7-jboss-ec2-eap) RHSA-2017:3458 2017-12-13
Red Hat JBoss Enterprise Application Platform 7.0 for RHEL 6 Server RHSA-2016:1838 2016-09-08
Red Hat JBoss Enterprise Application Platform 7.0 for RHEL 6 Server RHSA-2017:3454 2017-12-13
Red Hat JBoss Enterprise Application Platform 7.0 for RHEL 7 Server RHSA-2017:3455 2017-12-13
Red Hat JBoss Enterprise Application Platform 7.0 for RHEL 7 Server (eap7-jboss-ec2-eap) RHSA-2017:3458 2017-12-13
Red Hat JBoss EAP 7 RHSA-2016:1841 2016-09-08
Red Hat JBoss Enterprise Application Platform 7.0 for RHEL 7 Server RHSA-2016:1839 2016-09-08
Red Hat JBoss Enterprise Application Platform 7.0 for RHEL 6 Server (eap7-jboss-ec2-eap) RHSA-2016:1840 2016-09-08
Red Hat JBoss EAP 7 RHSA-2017:3456 2017-12-13
Red Hat JBoss Enterprise Application Platform 7.0 for RHEL 7 Server (eap7-jboss-ec2-eap) RHSA-2016:1840 2016-09-08

Affected Packages State

Platform Package State
Red Hat JBoss Web Server 3.0 tomcat7 Not affected
Red Hat JBoss Web Server 3.0 tomcat8 Not affected
Red Hat JBoss Portal Platform 6 jbossweb Not affected
Red Hat JBoss Operations Network 3 jbossweb Not affected
Red Hat JBoss EWS 2 tomcat7 Not affected
Red Hat JBoss EWS 2 tomcat6 Not affected
Red Hat JBoss EAP 6 jbossweb Not affected
Red Hat Enterprise Linux 7 tomcat Not affected
Red Hat Enterprise Linux 6 tomcat6 Not affected
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.

Acknowledgements

Red Hat would like to thank Calum Hutton (NCC Group) and Mikhail Egorov (Odin) for reporting this issue.
Last Modified