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CVE-2016-8657

7.8 · HIGH

It was discovered that EAP packages in certain versions of Red Hat Enterprise Linux use incorrect permissions for /etc/sysconfig/jbossas configuration files.

Published Jul 31, 2018CWE-264EPSS 0.42%

Overview

CVE-2016-8657 is a high-severity vulnerability. It was published on July 31, 2018 and has a CVSS 3.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

It was discovered that EAP packages in certain versions of Red Hat Enterprise Linux use incorrect permissions for /etc/sysconfig/jbossas configuration files. The file is writable to jboss group (root:jboss, 664). On systems using classic /etc/init.d init scripts (i.e. on Red Hat Enterprise Linux 6 and earlier), the file is sourced by the jboss init script and its content executed with root privileges when jboss service is started, stopped, or restarted.

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

Refrhn.redhat.com/errata/RHSA-2017-0826.htmlRefrhn.redhat.com/errata/RHSA-2017-0827.htmlRefrhn.redhat.com/errata/RHSA-2017-0828.htmlRefrhn.redhat.com/errata/RHSA-2017-0829.htmlRefwww.securityfocus.com/bid/96896Refaccess.redhat.com/errata/RHSA-2018:1609Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8657Refrhn.redhat.com/errata/RHSA-2017-0826.htmlRefrhn.redhat.com/errata/RHSA-2017-0827.htmlRefrhn.redhat.com/errata/RHSA-2017-0828.html

How CyberStrike helps

Frequently asked questions

What is CVE-2016-8657?

CVE-2016-8657 is a high-severity vulnerability. It was published on July 31, 2018 and has a CVSS 3.0 base score of 7.8 (HIGH).

How severe is CVE-2016-8657?

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2016-8657?

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-2016-8657?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-8657 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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