CVE-2017-5387

LOW

Firefox < 51.0 - Local File Existence Disclosure via Track Tag Error Handling

Title source: llm
STIX 2.1

Description

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.

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1037693
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2017-01/
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/95763
Exploit, Issue Tracking x_refsource_confirm
https://bugzilla.mozilla.org/show_bug.cgi?id=1295023

Scores

CVSS v3 3.3
EPSS 0.0040
EPSS Percentile 31.8%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Details

CWE
CWE-538
Status published
Products (1)
mozilla/firefox < 51.0
Published Jun 11, 2018
Tracked Since Feb 18, 2026