JBOSSAS 5.x/6.x Deserializer Vulnerability

JBOSSAS 5.x/6.x Deserializer Vulnerability

https://access.redhat.com/security/cve/cve-2017-12149

CVE-2017-12149

It was found that the doFilter method in the ReadOnlyAccessFilter of the HTTP Invoker does not restrict classes for which it performs deserialization. This allows an attacker to execute arbitrary code via crafted serialized data.

Find out more about CVE-2017-12149 from the MITRE CVE dictionary dictionary and NIST NVD.
Statement

Red Hat JBoss Enterprise Application Platform 6 and 7 do not ship the http invoker so they are not affected.
CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score     9.8
CVSS3 Base Metrics     CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector     Network
Attack Complexity     Low
Privileges Required     None
User Interaction     None
Scope     Unchanged
Confidentiality     High
Integrity Impact     High
Availability Impact     High

Affected Packages State

Platform     Package     State
Red Hat JBoss EAP 7     jbossas     Not affected
Red Hat JBoss EAP 6     jbossas     Not affected
Red Hat JBoss EAP 5     jbossas     Affected

Acknowledgements

Red Hat would like to thank Joao F M Figueiredo for reporting this issue.
Mitigation

Secure the access to the entire http-invoker contexts by adding /* to the security-constraints in the web.xml file of the http-invoker.sar.The users who do not wish to use the http-invoker.sar can remove it.

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact Red Hat Product Security.


#  0day.today [2018-03-20]  #