NULL pointer dereference in Powerdns Pdns-recursor
CVE-2017-15120
An issue has been found in the parsing of authoritative answers in PowerDNS Recursor before 4.0.8, leading to a NULL pointer dereference when parsing a specially crafted answer containing a CNAME of a different class than IN. An unauthenti…
EPSS: 0.518 (98.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Powerdns Pdns-recursor — versions 4.0.8
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (x_refsource_CONFIRM)
- doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-08.html (x_refsource_CONFIRM)
- DSA-4063 (vendor-advisory, x_refsource_DEBIAN)
- [oss-security] 20171211 PowerDNS Security Advisory 2017-08 (mailing-list, x_refsource_MLIST)
- 106335 (vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2017-15120?
- CVE-2017-15120 is a high-severity vulnerability in Powerdns Pdns-recursor, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2018-07-27.
- How severe is CVE-2017-15120?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-15120 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.