Vulnerability Description
PowerDNS Authoritative Server 4.5.0 before 4.5.1 allows anybody to crash the process by sending a specific query (QTYPE 65535) that causes an out-of-bounds exception.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Powerdns | Authoritative Server | >= 4.5.0, < 4.5.1 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2021/07/26/2Mailing ListThird Party Advisory
- https://doc.powerdns.com/authoritative/security-advisories/index.htmlVendor Advisory
- https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-202Vendor Advisory
- http://www.openwall.com/lists/oss-security/2021/07/26/2Mailing ListThird Party Advisory
- https://doc.powerdns.com/authoritative/security-advisories/index.htmlVendor Advisory
- https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-202Vendor Advisory
FAQ
What is CVE-2021-36754?
CVE-2021-36754 is a vulnerability with a CVSS score of 7.5 (HIGH). PowerDNS Authoritative Server 4.5.0 before 4.5.1 allows anybody to crash the process by sending a specific query (QTYPE 65535) that causes an out-of-bounds exception.
How severe is CVE-2021-36754?
CVE-2021-36754 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-2021-36754?
Check the references section above for vendor advisories and patch information. Affected products include: Powerdns Authoritative Server.