Information disclosure in Apple macOS
CVE-2017-16541
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.037 (89.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.037 · newest: 0.037 · change: 0.000
Affected products
- Apple macOS
- Linux Kernel
- Torproject Tor
- Debian Linux — versions 8.0, 9.0
- Red Hat Enterprise Linux Desktop — versions 6.0, 7.0
- Red Hat Enterprise Linux Eus — versions 7.5, 7.6, 7.7
- Red Hat Enterprise Linux Server — versions 6.0, 7.0
- Red Hat Enterprise Linux Server Aus — versions 7.6, 7.7
- Red Hat Enterprise Linux Server Tus — versions 7.6, 7.7
- Red Hat Enterprise Linux Workstation — versions 6.0, 7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- trac.torproject.org/projects/tor/ticket/24052 (Issue Tracking, Vendor Advisory)
- security.gentoo.org/glsa/201810-01 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:2693 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/11/msg00011.html (mailing-list, Mailing List, Third Party Advisory)
- www.wearesegment.com/research/tormoil-torbrowser-unspecified-critical-security-… (Third Party Advisory, Issue Tracking)
- security.gentoo.org/glsa/201811-13 (vendor-advisory, Third Party Advisory)
- www.bleepingcomputer.com/news/security/tormoil-vulnerability-leaks-real-ip-addr… (Third Party Advisory, Issue Tracking)
- www.debian.org/security/2018/dsa-4327 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:3403 (vendor-advisory, Third Party Advisory)
- blog.torproject.org/tor-browser-709-released (Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-16541?
- CVE-2017-16541 is a medium-severity vulnerability in Apple macOS, classified under Information Disclosure. CVSS score: 6.5/10. Published 2017-11-04.
- How severe is CVE-2017-16541?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2017-16541 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.