Resource exhaustion in Powerdns Authoritative_server
CVE-2016-6172
PowerDNS (aka pdns) Authoritative Server before 4.0.1 allows remote primary DNS servers to cause a denial of service (memory exhaustion and secondary DNS server crash) via a large (1) AXFR or (2) IXFR response.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.038 (88.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Powerdns Authoritative_server
- Opensuse Leap — versions 42.1
- Opensuse — versions 13.2
- N/a — versions n/a
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_CONFIRM, Release Notes)
- secalert@redhat.com (vendor-advisory, x_refsource_DEBIAN)
- secalert@redhat.com (vdb-entry, x_refsource_SECTRACK)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List)
- secalert@redhat.com (x_refsource_CONFIRM, Issue Tracking)
- secalert@redhat.com (x_refsource_CONFIRM, Issue Tracking)
- secalert@redhat.com (vdb-entry, x_refsource_BID)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Issue Tracking)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2016-6172?
- CVE-2016-6172 is a medium-severity vulnerability in Powerdns Authoritative_server, classified under Uncontrolled Resource Consumption. CVSS score: 6.8/10. Published 2016-09-26.
- How severe is CVE-2016-6172?
- Medium severity. CVSS v3 base score is 6.8 out of 10.