An issue has been found in PowerDNS Authoritative Server before 4.3.1 where an authorized user with the ability to insert crafted records into a zone might be able to leak the content of uninitialized memory.
Weakness
The product uses or accesses a resource that has not been initialized.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Authoritative | Powerdns | * | 4.3.1 (excluding) |
| Pdns | Ubuntu | bionic | * |
| Pdns | Ubuntu | esm-apps/bionic | * |
| Pdns | Ubuntu | esm-apps/focal | * |
| Pdns | Ubuntu | esm-apps/xenial | * |
| Pdns | Ubuntu | focal | * |
| Pdns | Ubuntu | groovy | * |
| Pdns | Ubuntu | trusty | * |
| Pdns | Ubuntu | upstream | * |
| Pdns | Ubuntu | xenial | * |
Potential Mitigations
References
- https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2020-05.html
- https://github.com/PowerDNS/pdns
- https://security.gentoo.org/glsa/202012-18
- https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2020-05.html
- https://github.com/PowerDNS/pdns
- https://security.gentoo.org/glsa/202012-18