CVE-2017-5385 Information disclosure in Firefox

High 7.5 Published Updated

Firefox fails to enforce referrer-policy headers in multipart channels, potentially leaking sensitive information to third parties.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2017-5385?

CVE-2017-5385 is a high-severity vulnerability in Mozilla Firefox, published on 11 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Data sent with in multipart channels, such as the multipart/x-mixed-replace MIME type, will ignore the referrer-policy response header, leading to potential information disclosure for sites using this header. This vulnerability affects Firefox < 51.

Weakness: CWE-200

Which versions are affected by CVE-2017-5385?

It affects 1 product.

Products include Mozilla Firefox.

How do I fix CVE-2017-5385?

Upgrade to a fixed version.

Is CVE-2017-5385 being exploited?

There is no known exploitation of CVE-2017-5385 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as GHSA-ghgm-jxvv-79f5, UBUNTU-CVE-2017-5385.

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