Vulnerability in Torproject Tor Browser
CVE-2019-12383
Tor Browser before 8.0.1 has an information exposure vulnerability. It allows remote attackers to detect the browser's UI locale by measuring a button width, even if the user has a "Don't send my language" setting.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.022 (81.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
Weakness classification (CWE)
References
- trac.torproject.org/projects/tor/ticket/24056 (Vendor Advisory)
- hackerone.com/reports/282748 (Third Party Advisory, Issue Tracking)
- gitweb.torproject.org/tor-browser.git/commit/ (Patch, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/108484 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
Frequently asked questions
- What is CVE-2019-12383?
- CVE-2019-12383 is a medium-severity vulnerability in Torproject Tor Browser, classified under Observable Discrepancy. CVSS score: 4.3/10. Published 2019-05-28.
- How severe is CVE-2019-12383?
- Medium severity. CVSS v3 base score is 4.3 out of 10.