CVE-2017-12149

Impact:
Critical
Public Date:
2017-08-30
CWE:
CWE-502
Bugzilla:
1486220: CVE-2017-12149 jbossas: Arbitrary code execution via unrestricted deserialization in ReadOnlyAccessFilter of HTTP Invoker.
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

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

Red Hat Security Errata

Platform Errata Release Date
Red Hat JBoss EAP 5 RHSA-2018:1608 2018-05-17
Red Hat JBoss Enterprise Application Platform 5 for RHEL 6 Server (jbossas) RHSA-2018:1607 2018-05-17
Red Hat JBoss Enterprise Application Platform 5 for RHEL 5 Server (jbossas) RHSA-2018:1607 2018-05-17

Affected Packages State

Platform Package State
Red Hat JBoss EAP 7 jbossas Not affected
Red Hat JBoss EAP 6 jbossas Not 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 <url-pattern>/*</url-pattern> 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.

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