CVE-2017-16541

Public Exploit

Description

Tor Browser before 7.0.9 on macOS and Linux allows remote attackers to bypass the intended anonymity feature and discover a client IP address via vectors involving a crafted web site that leverages file:// mishandling in Firefox, aka TorMoil. NOTE: Tails is unaffected.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.87% Top 20%
Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory torproject.org Vendor Advisory torproject.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://trac.torproject.org/projects/tor/ticket/24052 issue tracking vendor advisory
https://security.gentoo.org/glsa/201810-01 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:2693 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00011.html third party advisory mailing list
https://www.wearesegment.com/research/tormoil-torbrowser-unspecified-critical-security-vulnerability/ issue tracking third party advisory
https://security.gentoo.org/glsa/201811-13 third party advisory vendor advisory
https://www.bleepingcomputer.com/news/security/tormoil-vulnerability-leaks-real-ip-address-from-tor-browser-users/ issue tracking third party advisory
https://www.debian.org/security/2018/dsa-4327 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:3403 third party advisory vendor advisory
https://blog.torproject.org/tor-browser-709-released issue tracking vendor advisory
http://www.securitytracker.com/id/1041610 vdb entry broken link
http://www.securityfocus.com/bid/101665 vdb entry broken link
https://access.redhat.com/errata/RHSA-2018:2692 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:3458 third party advisory vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1412081 issue tracking exploit third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-16541?
CVE-2017-16541 has been scored as a medium severity vulnerability.
How to fix CVE-2017-16541?
To fix CVE-2017-16541, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-16541 being actively exploited in the wild?
It is possible that CVE-2017-16541 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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