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.
| 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 |
| 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).
| 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 |
| 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 |
Vulmon