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.
EPSS: 0.004 (32.9th percentile) — read the EPSS interpretation.
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.
Affected products
- Mozilla Firefox — versions unspecified
Weakness classification (CWE)
References
- security@mozilla.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- security@mozilla.org (x_refsource_CONFIRM, Vendor Advisory)
- security@mozilla.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- security@mozilla.org (x_refsource_CONFIRM, 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.