NULL Pointer Dereference The advisory has been revoked - it doesn't affect any version of package pdns-recursor (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about NULL Pointer Dereference vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-DEBIAN9-PDNSRECURSOR-404604
- published27 Jun 2018
- disclosed27 Jul 2018
Introduced: 27 Jun 2018
CVE-2017-15120 (opens in a new tab)Amendment
The Debian security team deemed this advisory irrelevant for Debian:9.
NVD Description
Note: Versions mentioned in the description apply only to the upstream pdns-recursor package and not the pdns-recursor package as distributed by Debian.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2017-15120
- https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-08.html
- https://www.debian.org/security/2017/dsa-4063
- http://seclists.org/oss-sec/2017/q4/382
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15120
- http://www.securityfocus.com/bid/106335
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-15120