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CVE-2016-9902

7.5 · HIGH

The Pocket toolbar button, once activated, listens for events fired from it's own pages but does not verify the origin of incoming events.

Published Jun 11, 2018CWE-346EPSS 1.32%

Overview

CVE-2016-9902 is a high-severity vulnerability. It was published on June 11, 2018 and has a CVSS 3.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The Pocket toolbar button, once activated, listens for events fired from it's own pages but does not verify the origin of incoming events. This allows content from other origins to fire events and inject content and commands into the Pocket context. Note: this issue does not affect users with e10s enabled. This vulnerability affects Firefox ESR < 45.6 and Firefox < 50.1.

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-2016-2946.htmlRefrhn.redhat.com/errata/RHSA-2016-2973.htmlRefwww.securityfocus.com/bid/94885Refwww.securitytracker.com/id/1037461Refbugzilla.mozilla.org/show_bug.cgi?id=1320039Refsecurity.gentoo.org/glsa/201701-15Refwww.mozilla.org/security/advisories/mfsa2016-94/Refwww.mozilla.org/security/advisories/mfsa2016-95/Refrhn.redhat.com/errata/RHSA-2016-2946.htmlRefrhn.redhat.com/errata/RHSA-2016-2973.html

How CyberStrike helps

Frequently asked questions

What is CVE-2016-9902?

CVE-2016-9902 is a high-severity vulnerability. It was published on June 11, 2018 and has a CVSS 3.0 base score of 7.5 (HIGH).

How severe is CVE-2016-9902?

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2016-9902?

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-2016-9902?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-9902 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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