CVE-2017-3140

Bind vulnerability

CVSS

3.7

EPSS

12.1%

EPSS pct

96th

Exploited

No known

If named is configured to use Response Policy Zones (RPZ) an error processing some rule types can lead to a condition where BIND will endlessly loop while handling a query. Affects BIND 9.9.10, 9.10.5, 9.11.0->9.11.1, 9.9.10-S1, 9.10.5-S1.

Affected vendor

Isc

Affected product

Bind

CVSS vector

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

Weakness type (CWE)

CWE-400 — Uncontrolled Resource Consumption

Published

2019-01-16

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to low impact to availability.

Its EPSS score of 12.1% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2017-3140

Confirm whether Isc Bind is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-3140.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-3140

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