CVE-2017-5027: Bypass of Content Security Policy in BlinkCredit to 李普君 of 无声信息技术PKAV Team

Published Jan 25, 2017
·
Updated

Blink in Google Chrome prior to 56.0.2924.76 for Linux, Windows and Mac, and 56.0.2924.87 for Android, failed to properly enforce unsafe-inline content security policy, which allowed a remote attacker to bypass content security policy via a crafted HTML page.

Affected Software

2 affected componentsFixes available
Google Chrome<56.0.2924.76
56.0.2924.76
Google Chrome<=55.0.2883.87

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Google Chrome (Trace Event) to a version that resolves this vulnerability.

    Fixed in 56.0.2924.76

Event History

Jan 25, 2017
CVE Published
12:00 AM
Feb 17, 2017
CVE Published
via MITRE·07:45 AM
Data Sourced
via MITRE·07:45 AM
DescriptionWeakness
Data Sourced
via NVD·07:59 AM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2017-5027?

CVE-2017-5027 has a high severity rating due to its potential for allowing remote attackers to bypass content security policy.

2

How do I fix CVE-2017-5027?

To fix CVE-2017-5027, it is recommended to update Google Chrome to version 56.0.2924.76 or later.

3

What versions of Google Chrome are affected by CVE-2017-5027?

CVE-2017-5027 affects Google Chrome versions prior to 56.0.2924.76 for desktop and versions before 56.0.2924.87 for Android.

4

What type of attack is facilitated by CVE-2017-5027?

CVE-2017-5027 facilitates remote attacks that allow attackers to execute scripts by bypassing the content security policy.

5

Is CVE-2017-5027 a cross-site scripting vulnerability?

Yes, CVE-2017-5027 is related to the improper enforcement of content security policy which can lead to cross-site scripting attacks.

Contact

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