It was found that the Karaf container used by Red Hat JBoss Fuse 6.x, and Red Hat JBoss A-MQ 6.x, deserializes objects passed to MBeans via JMX operations. An attacker could use this flaw to execute remote code on the server as the user running the Java Virtual Machine if the target MBean contain deserialization gadgets in its classpath.
Find out more about CVE-2016-8648 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 6.5 |
|---|---|
| Base Metrics | AV:N/AC:L/Au:S/C:P/I:P/A:P |
| Access Vector | Network |
| Access Complexity | Low |
| Authentication | Single |
| Confidentiality Impact | Partial |
| Integrity Impact | Partial |
| Availability Impact | Partial |
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 7.2 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | High |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity Impact | High |
| Availability Impact | High |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Package | State |
|---|---|---|
| Red Hat OpenStack Platform 9.0 | opendaylight | Not affected |
| Red Hat OpenStack Platform 8.0 (Liberty) | opendaylight | Not affected |
| Red Hat JBoss Fuse 6 | karaf | Will not fix |
| Red Hat JBoss A-MQ 6 | Karaf | Will not fix |
In order to exploit this issue you need to have credentials of a user with the 'admin' role. Therefore a good mitigation against this attack is to set a strong password for any user with the 'admin' role in the 'etc/users.properties' file of the Red Hat JBoss Fuse 6, or Red Hat JBoss AM-Q 6.
Vulmon