Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Powerdns | Recursor | < 4.0.8 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://seclists.org/oss-sec/2017/q4/382Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/106335Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15120Issue TrackingThird Party Advisory
- https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-08.PatchVendor Advisory
- https://www.debian.org/security/2017/dsa-4063Third Party Advisory
- http://seclists.org/oss-sec/2017/q4/382Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/106335Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15120Issue TrackingThird Party Advisory
- https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-08.PatchVendor Advisory
- https://www.debian.org/security/2017/dsa-4063Third Party Advisory
FAQ
What is CVE-2017-15120?
CVE-2017-15120 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...
How severe is CVE-2017-15120?
CVE-2017-15120 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-15120?
Check the references section above for vendor advisories and patch information. Affected products include: Powerdns Recursor, Debian Debian Linux.