CVE-2016-2120
High
Description
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Powerdns Authoritative
PublishedNov 1, 2018
First seenNov 1, 2018
Weakness typeCWE-190Integer overflow
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| powerdns authoritative | v ≤ 3.4.10, 4.0.0 ≤ v ≤ 4.0.1 | — |
| debian debian_linux | 8.0 | — |
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