Resource exhaustion in Isc Bind

CVE-2017-3140

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.

Vulnerability class: DoS (Denial of Service)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.122 (96.0th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-3140: held from 0.122 to 0.122.

EPSS over last 30 days · oldest: 0.122 · newest: 0.122 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-3140?
CVE-2017-3140 is a low-severity vulnerability in Isc Bind, classified under Uncontrolled Resource Consumption. CVSS score: 3.7/10. Published 2019-01-16.
How severe is CVE-2017-3140?
Low severity. CVSS v3 base score is 3.7 out of 10.
Is CVE-2017-3140 known to be exploited?
10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.