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CVE-2017-12149

9.8 · CRITICALActively Exploited

In Jboss Application Server as shipped with Red Hat Enterprise Application Platform 5.2, it was found that the doFilter method in the ReadOnlyAccessFilter of the HTTP Invoker does not restrict clas…

Published Oct 4, 2017CWE-502EPSS 90.71%

Overview

CVE-2017-12149 is a critical-severity vulnerability. It was published on October 4, 2017 and has a CVSS 3.1 base score of 9.8 (CRITICAL). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

In Jboss Application Server as shipped with Red Hat Enterprise Application Platform 5.2, it was found that the doFilter method in the ReadOnlyAccessFilter of the HTTP Invoker does not restrict classes for which it performs deserialization and thus allowing an attacker to execute arbitrary code via crafted serialized data.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.securityfocus.com/bid/100591Refaccess.redhat.com/errata/RHSA-2018:1607Refaccess.redhat.com/errata/RHSA-2018:1608Refbugzilla.redhat.com/show_bug.cgi?id=1486220GitHubgithub.com/gottburgm/Exploits/tree/master/CVE-2017-12149Refwww.securityfocus.com/bid/100591Refaccess.redhat.com/errata/RHSA-2018:1607Refaccess.redhat.com/errata/RHSA-2018:1608Refbugzilla.redhat.com/show_bug.cgi?id=1486220GitHubgithub.com/gottburgm/Exploits/tree/master/CVE-2017-12149

How CyberStrike helps

Frequently asked questions

What is CVE-2017-12149?

CVE-2017-12149 is a critical-severity vulnerability. It was published on October 4, 2017 and has a CVSS 3.1 base score of 9.8 (CRITICAL). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

How severe is CVE-2017-12149?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-12149?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-12149?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-12149 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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