Vulnerability · Published Jan 21, 2023 · Assigned by mitre
CVE-2023-22617
High 7.5
In plain English
A high-severity security flaw in the pdns-recursor package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 7.5% (higher than 95% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)7.5%top 5.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | pdns-recursor | 4.8.1-r0 | ALPINE-CVE-2023-22617 |
| Alpine:v3.21 | pdns-recursor | 4.8.1-r0 | ALPINE-CVE-2023-22617 |
| Alpine:v3.22 | pdns-recursor | 4.8.1-r0 | ALPINE-CVE-2023-22617 |
| Alpine:v3.23 | pdns-recursor | 4.8.1-r0 | ALPINE-CVE-2023-22617 |
| Alpine:v3.24 | pdns-recursor | 4.8.1-r0 | ALPINE-CVE-2023-22617 |
| Debian:12 | pdns-recursor | 4.8.1-1 | DEBIAN-CVE-2023-22617 |
| Debian:13 | pdns-recursor | 4.8.1-1 | DEBIAN-CVE-2023-22617 |
| Debian:14 | pdns-recursor | 4.8.1-1 | DEBIAN-CVE-2023-22617 |
Affected products (as reported)
Weakness: CWE-674 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H