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CVE-2017-5066

6.5 · MEDIUM

Insufficient consistency checks in signature handling in the networking stack in Google Chrome prior to 58.0.3029.81 for Mac, Windows, and Linux, and 58.0.3029.83 for Android, allowed a remote atta…

Published Oct 27, 2017CWE-347EPSS 0.73%

Overview

CVE-2017-5066 is a medium-severity vulnerability. It was published on October 27, 2017 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Insufficient consistency checks in signature handling in the networking stack in Google Chrome prior to 58.0.3029.81 for Mac, Windows, and Linux, and 58.0.3029.83 for Android, allowed a remote attacker to incorrectly accept a badly formed X.509 certificate via a crafted HTML page.

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/97939Refwww.securitytracker.com/id/1038317Refaccess.redhat.com/errata/RHSA-2017:1124Refchromereleases.googleblog.com/2017/04/stable-channel-update-for-desktop.htmlRefcrbug.com/690821Refsecurity.gentoo.org/glsa/201705-02Refwww.securityfocus.com/bid/97939Refwww.securitytracker.com/id/1038317Refaccess.redhat.com/errata/RHSA-2017:1124Refchromereleases.googleblog.com/2017/04/stable-channel-update-for-desktop.html

How CyberStrike helps

Frequently asked questions

What is CVE-2017-5066?

CVE-2017-5066 is a medium-severity vulnerability. It was published on October 27, 2017 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2017-5066?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-5066?

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-2017-5066?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-5066 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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