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.

Related CPE's

a

powerdns

recursor

4.8.0

Vulnerable

References

http://www.openwall.com/lists/oss-security/2023/01/20/1

Mailing ListRelease NotesThird Party Advisory

https://docs.powerdns.com/recursor/changelog/4.8.html#change-4.8.1

Release NotesVendor Advisory

https://docs.powerdns.com/recursor/security-advisories/

Vendor Advisory

Weaknesses

[email protected]

Primary
CWE-674

CVSS impact metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.5 · High

  • CVSS V3.1

  • CVSS V3.0

  • CVSS V2.0

Information

Source identifier

[email protected]

Vulnerability status

Analyzed

Published

2023-01-21T19:15:11.077

2 years ago

Last modified

2023-01-31T17:24:14.307

2 years ago