Resource exhaustion in Mozilla Firefox
CVE-2017-5388
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.016 (75.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.016 · change: +0.002
Affected products
- Mozilla Firefox — versions unspecified
Weakness classification (CWE)
References
- bugzilla.mozilla.org/show_bug.cgi (Issue Tracking, Vendor Advisory)
- 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)
Frequently asked questions
- What is CVE-2017-5388?
- CVE-2017-5388 is a high-severity vulnerability in Mozilla Firefox, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2018-06-11.
- How severe is CVE-2017-5388?
- High severity. CVSS v3 base score is 7.5 out of 10.