Information disclosure in Mozilla Firefox
CVE-2018-5140
Image for moz-icons can be accessed through the "moz-icon:" protocol through script in web content even when otherwise prohibited. This could allow for information leakage of which applications are associated with specific MIME types by a malicious page. This vulnerability affects Firefox < 59.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.013 (69.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Mozilla Firefox — versions unspecified
- Canonical Ubuntu Linux — versions 14.04, 16.04, 17.10
Weakness classification (CWE)
References
- bugzilla.mozilla.org/show_bug.cgi (Permissions Required)
- www.securityfocus.com/bid/103386 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securitytracker.com/id/1040514 (VDB Entry, Third Party Advisory, vdb-entry)
- usn.ubuntu.com/3596-1/ (vendor-advisory, Third Party Advisory)
- www.mozilla.org/security/advisories/mfsa2018-06/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-5140?
- CVE-2018-5140 is a medium-severity vulnerability in Mozilla Firefox, classified under Information Disclosure. CVSS score: 5.3/10. Published 2018-06-11.
- How severe is CVE-2018-5140?
- Medium severity. CVSS v3 base score is 5.3 out of 10.