CVE-2017-5382 Information disclosure in Firefox

High 7.5 Published Updated

Attackers can exploit RSS feed previews to capture errors from privileged content, exposing internal information to web content.

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

What is CVE-2017-5382?

CVE-2017-5382 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

Feed preview for RSS feeds can be used to capture errors and exceptions generated by privileged content, allowing for the exposure of internal information not meant to be seen by web content. This vulnerability affects Firefox < 51.

Weakness: CWE-200

Which versions are affected by CVE-2017-5382?

It affects 1 product.

Products include Mozilla Firefox.

How do I fix CVE-2017-5382?

Upgrade to a fixed version.

Is CVE-2017-5382 being exploited?

There is no known exploitation of CVE-2017-5382 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as GHSA-r745-vx44-pc94, UBUNTU-CVE-2017-5382.

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