CVE-2017-5124 Cross-site scripting in Google Chrome prior to 62.0.3202.62

Medium 6.1 Published Updated

Remote attackers can inject arbitrary scripts or HTML via crafted MHTML pages due to incorrect sandboxing in Blink.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2017-5124?

CVE-2017-5124 is a medium-severity cross-site scripting vulnerability in Debian Debian Linux, published on 7 Feb 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Incorrect application of sandboxing in Blink in Google Chrome prior to 62.0.3202.62 allowed a remote attacker to inject arbitrary scripts or HTML (UXSS) via a crafted MHTML page.

Weakness: CWE-79

Which versions are affected by CVE-2017-5124?

It affects 2 products.

Products include Debian Debian Linux, Google Chrome.

How do I fix CVE-2017-5124?

Upgrade to a fixed version.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2017-5124 being exploited?

There is no known exploitation of CVE-2017-5124 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry and 1 proofs of concept on GitHub.

All Debian Debian Linux vulnerabilities

Sources

Also known as GHSA-g2xv-2cjq-c43m, UBUNTU-CVE-2017-5124.

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