Vulnerability in Powerdns Recursor
CVE-2014-8601
PowerDNS Recursor before 3.6.2 does not limit delegation chaining, which allows remote attackers to cause a denial of service ("performance degradations") via a large or infinite number of referrals, as demonstrated by resolving domains hosted by ezdns.it.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.689 (99.3th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.689 · newest: 0.689 · change: 0.000
Affected products
- Powerdns Recursor
- Debian Linux — versions 7.0
Weakness classification (CWE)
References
- doc.powerdns.com/md/security/powerdns-advisory-2014-02/ (Third Party Advisory)
- www.debian.org/security/2014/dsa-3096 (vendor-advisory, Third Party Advisory)
- www.securitytracker.com/id/1031310 (VDB Entry, Third Party Advisory, vdb-entry)
- cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html (Third Party Advisory)
- www.securityfocus.com/bid/71545 (VDB Entry, Third Party Advisory, vdb-entry)
- www.kb.cert.org/vuls/id/264212 (US Government Resource, Third Party Advisory, third-party-advisory)