CVE-2017-5388

HIGH

Firefox < 51.0 - Denial of Service via STUN Packet Rate Limiting Bypass

Title source: llm
STIX 2.1

Description

A STUN server in conjunction with a large number of "webkitRTCPeerConnection" objects can be used to send large STUN packets in a short period of time due to a lack of rate limiting being applied on e10s systems, allowing for a denial of service attack. This vulnerability affects Firefox < 51.

References (4)

Core 4
Core References
Issue Tracking, Vendor Advisory x_refsource_confirm
https://bugzilla.mozilla.org/show_bug.cgi?id=1281482
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

Scores

CVSS v3 7.5
EPSS 0.0128
EPSS Percentile 79.8%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-770
Status published
Products (1)
mozilla/firefox < 51.0
Published Jun 11, 2018
Tracked Since Feb 18, 2026