Vulnerability in Isc Bind

CVE-2017-3143

An attacker who is able to send and receive messages to an authoritative DNS server and who has knowledge of a valid TSIG key name for the zone and service being targeted may be able to manipulate BIND into accepting an unauthorized dynamic update. Affects BIND 9.4.0->9.8.8, 9.9.0->9.9.10-P1, 9.10.0->9.10.5-P1, 9.11.0->9.11.1-P1, 9.9.3-S1->9.9.10-S2, 9.10.5-S1->9.10.5-S2.

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:H/A:N.

EPSS exploit prediction

EPSS: 0.183 (97.1th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.1% 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-2017-3143: held from 0.183 to 0.183.

EPSS over last 30 days · oldest: 0.183 · newest: 0.183 · change: 0.000

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-3143?
CVE-2017-3143 is a high-severity vulnerability in Isc Bind. CVSS score: 7.5/10. Published 2019-01-16.
How severe is CVE-2017-3143?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2017-3143 known to be exploited?
29 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.