Information disclosure in Mozilla Firefox
CVE-2017-5387
The existence of a specifically requested local file can be found due to the double firing of the "onerror" when the "source" attribute on a "<track>" tag refers to a file that does not exist if the source page is loaded locally. This vulnerability affects Firefox < 51.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (31.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Mozilla Firefox — versions unspecified
Weakness classification (CWE)
References
- www.securitytracker.com/id/1037693 (VDB Entry, Third Party Advisory, vdb-entry)
- www.mozilla.org/security/advisories/mfsa2017-01/ (Vendor Advisory)
- www.securityfocus.com/bid/95763 (VDB Entry, Third Party Advisory, vdb-entry)
- bugzilla.mozilla.org/show_bug.cgi (Exploit, Issue Tracking)
Frequently asked questions
- What is CVE-2017-5387?
- CVE-2017-5387 is a low-severity vulnerability in Mozilla Firefox, classified under Insertion of Sensitive Information into Externally-Accessible File or Directory. CVSS score: 3.3/10. Published 2018-06-11.
- How severe is CVE-2017-5387?
- Low severity. CVSS v3 base score is 3.3 out of 10.