It was found that when issuing a GET request which results in a 302 redirect and when the request header 'Host' field was not set, the response header field 'Location' contains the internal IP address of the server. An attacker could use this disclose information which they are not authorized to access.
Find out more about CVE-2016-6311 from the MITRE CVE dictionary dictionary and NIST NVD.
| Base Score | 5 |
|---|---|
| Base Metrics | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| Access Vector | Network |
| Access Complexity | Low |
| Authentication | None |
| Confidentiality Impact | Partial |
| Integrity Impact | None |
| Availability Impact | None |
| CVSS3 Base Score | 5.3 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity Impact | None |
| 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-2017:3454 | 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-2017:3456 | 2017-12-13 |
| Red Hat JBoss Enterprise Application Platform 7.0 for RHEL 7 Server | RHSA-2017:3455 | 2017-12-13 |
| Platform | Package | State |
|---|---|---|
| Red Hat JBoss Fuse 6 | hawtio | Not affected |
You can add a filter in the JBoss CLI that sets the host header to the 'myvirtualhost.com' if the host header is not present. eg:
/subsystem=undertow/configuration=filter/expression-filter=hostname:add(expression="header(header=Host, value=myvirtualhost.com)")
/subsystem=undertow/server=default-server/host=default-host/filter-ref=hostname:add(predicate="not exists(%{i,Host})")
Vulmon