CVE-2017-16639 Information disclosure in n/a

Medium 4.3 Published Updated

Remote attackers can bypass Tor Browser anonymity on Windows to discover client IP addresses, requiring user interaction.

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
None listed

What is CVE-2017-16639?

CVE-2017-16639 is a medium-severity vulnerability in n/a, published on 14 Sep 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

Tor Browser on Windows before 8.0 allows remote attackers to bypass the intended anonymity feature and discover a client IP address, a different vulnerability than CVE-2017-16541. User interaction is required to trigger this vulnerability.

Weakness: CWE-200

Which versions are affected by CVE-2017-16639?

It affects 1 product.

Products include Torproject Tor Browser.

How do I fix CVE-2017-16639?

No fix has been published for CVE-2017-16639 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-16639 being exploited?

There is no known exploitation of CVE-2017-16639 in the wild and no public exploit code.

Sources

Also known as GHSA-26f9-32j2-77qg.

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