CVE-2017-15120
HIGH 7.5EPSS 51.4%
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 unauthenticated remote attacker could cause a denial of service.
- Affected
- PowerDNS · pdns-recursor
- CVSS v3.0 NVD
- 7.5 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS v2.0 NVD
- 5.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P - EPSS
- 51.35% chance of exploitation in the next 30 days, 99th percentile
- Published
- 2018-07-27
- Updated
- 2024-08-05
Proof-of-concept exploits (1)
- shutingrz/CVE-2017-15120_PoC0★ · 2018-10-16
Security advisories
- https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-08.html
- http://seclists.org/oss-sec/2017/q4/382
- http://www.securityfocus.com/bid/106335
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15120
- https://www.debian.org/security/2017/dsa-4063