CVE-2017-6056
Find out more about CVE-2017-6056 from the MITRE CVE dictionary dictionary and NIST NVD.
Statement
This issue was made easier to exploit, causing a denial of service when the patch for CVE-2016-6816 was present and the patch that corrected this flaw was not. The issue was not classified as a security flaw upstream. It was corrected in products like Red Hat Enterprise Linux 6 and 7 and JBoss Enterprise Web Server 3 prior to the fix for CVE-2016-6816 being applied. This was not the case for JBoss Enterprise Application Server 6. As a result, only EAP 6.4.13 is vulnerable to this issue and 6.4.14 corrects it. For further information, refer to https://access.redhat.com/articles/2991951
CVSS v3 metrics
| CVSS3 Base Score | 7.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | None |
| Availability Impact | High |
Red Hat Security Errata
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat JBoss Enterprise Application Platform 6 for RHEL 6 Server (jboss-ec2-eap) | RHSA-2017:0829 | 2017-03-22 |
| Red Hat JBoss Enterprise Application Platform 6 for RHEL 5 Server (jbossweb) | RHSA-2017:0826 | 2017-03-22 |
| Red Hat JBoss Enterprise Application Platform 6.4 | RHSA-2017:0517 | 2017-03-14 |
| Red Hat JBoss Enterprise Application Platform 6.3 for RHEL 7 Server (jbossweb) | RHSA-2017:0828 | 2017-03-22 |
| Red Hat JBoss Enterprise Application Platform 6 for RHEL 6 Server (jbossweb) | RHSA-2017:0827 | 2017-03-22 |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-java-common-tomcat | Not affected |
| Red Hat JBoss Web Server 3 | tomcat7 | Affected |
| Red Hat JBoss Web Server 3 | tomcat8 | Affected |
| Red Hat JBoss Operations Network 3 | Core Server | Will not fix |
| Red Hat JBoss EWS 2 | tomcat7 | Not affected |
| Red Hat Enterprise Linux 7 | tomcat | Not affected |
| Red Hat Enterprise Linux 6 | tomcat6 | Not affected |
