Vulnerability Description
The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3 and Authoritative (Auth) Server before 3.3.3 and 3.4.x before 3.4.5 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a long name that refers to itself. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1868.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Powerdns | Authoritative | <= 3.3.2 |
| Powerdns | Recursor | <= 3.6.3 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2015/07/07/6
- http://www.openwall.com/lists/oss-security/2015/07/10/8
- https://doc.powerdns.com/md/security/powerdns-advisory-2015-01/PatchVendor Advisory
- http://www.openwall.com/lists/oss-security/2015/07/07/6
- http://www.openwall.com/lists/oss-security/2015/07/10/8
- https://doc.powerdns.com/md/security/powerdns-advisory-2015-01/PatchVendor Advisory
FAQ
What is CVE-2015-5470?
CVE-2015-5470 is a vulnerability with a CVSS score of 7.8 (HIGH). The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3 and Authoritative (Auth) Server before 3.3.3 and 3.4.x before 3.4.5 allows remote attackers to cause a de...
How severe is CVE-2015-5470?
CVE-2015-5470 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-5470?
Check the references section above for vendor advisories and patch information. Affected products include: Powerdns Authoritative, Powerdns Recursor.