CVE-2023-22617
Published: 21 January 2023
A remote attacker might be able to cause infinite recursion in PowerDNS Recursor 4.8.0 via a DNS query that retrieves DS records for a misconfigured domain, because QName minimization is used in QM fallback mode. This is fixed in 4.8.1.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
pdns-recursor
Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
| focal |
Needs triage
|
|
| jammy |
Needs triage
|
|
| kinetic |
Ignored
(end of life, was needs-triage)
|
|
| lunar |
Ignored
(end of life, was needs-triage)
|
|
| mantic |
Not vulnerable
(4.8.2-1)
|
|
| noble |
Not vulnerable
(4.8.2-1)
|
|
| trusty |
Ignored
(end of standard support)
|
|
| upstream |
Released
(4.8.1-1)
|
|
| xenial |
Needs triage
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
- https://www.openwall.com/lists/oss-security/2023/01/20/1
- https://downloads.powerdns.com/patches/2023-01/
- https://github.com/PowerDNS/pdns/pull/12442
- https://docs.powerdns.com/recursor/changelog/4.8.html#change-4.8.1
- https://docs.powerdns.com/recursor/security-advisories/
- http://www.openwall.com/lists/oss-security/2023/01/20/1
- https://www.cve.org/CVERecord?id=CVE-2023-22617
- NVD
- Launchpad
- Debian