CVE-2016-2120 — Vulnetix

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CVE-2016-2120 PUBLISHED

An issue has been found in PowerDNS Authoritative Server versions up to and including 3.4.10, 4.0.1 allowing an authorized user to crash the server by inserting a specially crafted record in a zone under their control then sending a DNS query for that record. The issue is due to an integer overflow when checking if the content of the record matches the expected size, allowing an attacker to cause a read past the buffer boundary.

EPSS 0.13% · 32.5th percentile

Risk Scores

EPSS Score

0.13%

32.5th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:Pro:16.04:LTS	pdns	0, 3.4.5-1build2, 3.4.6-2

Timeline

Nov 1, 2018 CVE Published
Feb 4, 2022 EPSS Score
Mar 28, 2022 EPSS Score
May 19, 2022 EPSS Score
Jul 10, 2022 EPSS Score
Sep 1, 2022 EPSS Score
Oct 23, 2022 EPSS Score
Dec 14, 2022 EPSS Score
Feb 4, 2023 EPSS Score
Mar 7, 2023 EPSS Score
Mar 28, 2023 EPSS Score
May 19, 2023 EPSS Score

References

https://ubuntu.com/security/CVE-2016-2120 third-party-advisory
https://doc.powerdns.com/md/security/powerdns-advisory-2016-05/ third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2016-2120 third-party-advisory

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