Resource exhaustion in Powerdns Authoritative
CVE-2019-10163
A Vulnerability has been found in PowerDNS Authoritative Server before versions 4.1.9, 4.0.8 allowing a remote, authorized master server to cause a high CPU load or even prevent any further updates to any slave zone by sending a large number of NOTIFY messages. Note that only servers configured as slaves are affected by this issue.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.010 (61.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 61st percentile — 61.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Powerdns Authoritative — versions 4.1.0
- Powerdns Pdns — versions fixed in 4.1.9, fixed in 4.0.8
- openSUSE Backports — versions sle-15
- openSUSE Leap — versions 15.0, 15.1
Weakness classification (CWE)
References
- lists.opensuse.org/opensuse-security-announce/2019-08/msg00036.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-08/msg00054.html (vendor-advisory, Mailing List, Third Party Advisory)
- blog.powerdns.com/2019/06/21/powerdns-authoritative-server-4-0-8-and-4-1-10-rel… (Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2019-05.ht… (Vendor Advisory)
Frequently asked questions
- What is CVE-2019-10163?
- CVE-2019-10163 is a medium-severity vulnerability in Powerdns Authoritative, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 4.3/10. Published 2019-07-30.
- How severe is CVE-2019-10163?
- Medium severity. CVSS v3 base score is 4.3 out of 10.