| Name | CVE-2023-22617 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1029367 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| pdns-recursor (PTS) | jessie, jessie (lts) | 3.6.2-2+deb8u4 | vulnerable |
| buster (security), buster, buster (lts) | 4.1.11-1+deb10u2 | fixed |
| bullseye | 4.4.2-3 | fixed |
| bookworm (security), bookworm | 4.8.8-1 | fixed |
| sid, trixie | 5.0.7-2 | fixed |
The information below is based on the following data on fixed versions.
Notes
[bullseye] - pdns-recursor <not-affected> (Vulnerable code introduced later)
[buster] - pdns-recursor <not-affected> (Vulnerable code introduced later)
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