CVE-2015-5470
pdns-recursor - security update
EPSS 0.01%
Description
The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3 and Authoritative (Auth) Server before 3.3.3 and 3.4.x before 3.4.5 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a long name that refers to itself. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1868.
How to fix CVE-2015-5470
To remediate CVE-2015-5470, upgrade the affected package to a fixed version below.
- Debian/pdns—upgrade to 3.4.5-1 or later
- —upgrade to 3.4.1-4+deb8u2 or later
- —upgrade to 3.7.3-1 or later
- —upgrade to 3.6.2-2+deb8u2 or later
Is CVE-2015-5470 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 3.4.5-1
- from 0, < 3.4.1-4+deb8u2
- from 0, < 3.7.3-1
- from 0, < 3.6.2-2+deb8u2