Is CVE-2017-5388 in the CISA KEV catalog?

No. CVE-2017-5388 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-5388?

CVE-2017-5388 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2017-5388?

CVE-2017-5388 has an EPSS score of 1.66% (74th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-5388?

Upgrade firefox on debian unstable to 51.0-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2017-5388

HIGHEPSS 74th pctl

7.5

CVSS v3

NVD

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.

CWE-770Allocation of Resources Without Limits or Throttling

How to fix

Remediation Available

firefoxDebian

Fixed in:51.0-1CVE-2017-5388

firefoxUbuntu

Fixed in:51.0.1+build2-0ubuntu0.14.04.1USN-3175-1

Fixed in:51.0.1+build2-0ubuntu0.16.04.1USN-3175-1

DeveloperEditionWindows application

Affected:51.0Fixed in:51.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:51.0Fixed in:51.0Mozilla

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

1.66%probability of exploitation in 30 days

74thpercentile

Elevated risk: more likely to be exploited than 74% of all known CVEs.

References

Vendor Advisory2

Third-Party Advisory2

Related Vulnerabilities

Other CWE-770 (Allocation of Resources Without Limits or Throttling) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-50387	High	7.5	100%	-	Fix
CVE-2019-11478	Medium	5.3	95%	-	Fix
CVE-2019-11479	High	7.5	92%	-	Fix
CVE-2024-27316	High	7.5	91%	-	Fix
CVE-2022-30522	High	7.5	90%	-	Fix
CVE-2019-9515	High	7.5	88%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.