CVE-2017-15090 Security feature bypass in PowerDNS
Man-in-the-middle attackers can bypass DNSSEC validation to alter DNS records by exploiting bailiwick checks in PowerDNS Recursor.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-15090?
CVE-2017-15090 is a medium-severity vulnerability in Powerdns Recursor, published on 23 Jan 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue has been found in the DNSSEC validation component of PowerDNS Recursor from 4.0.0 and up to and including 4.0.6, where the signatures might have been accepted as valid even if the signed data was not in bailiwick of the DNSKEY used to sign it. This allows an attacker in position of man-in-the-middle to alter the content of records by issuing a valid signature for the crafted records.
Weakness: CWE-347
Which versions are affected by CVE-2017-15090?
It affects 1 product.
Products include Powerdns Recursor.
How do I fix CVE-2017-15090?
Upgrade to a fixed version.
Is CVE-2017-15090 being exploited?
There is no known exploitation of CVE-2017-15090 in the wild and no public exploit code.
Other vulnerabilities in Powerdns Recursor
- CVE-2009-4009 Memory corruption in n/a
- CVE-2020-10030 Memory corruption in n/a
- CVE-2025-59023 Crafted delegations or IP fragments can poison cached delegations in Recursor
- CVE-2025-59030 Insufficient validation of incoming notifies over TCP can lead to a denial of service in Recursor
- CVE-2023-22617 Denial of service in n/a
Sources
Also known as DEBIAN-CVE-2017-15090, GHSA-pr86-5p67-45rx, UBUNTU-CVE-2017-15090.