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.
| Vulnerable Product | Search on Vulmon | Subscribe to Product |
|---|---|---|
powerdns recursor |
PowerDNS admins, feel free to fix these DNSSEC bugs before something nasty happens
Open source DNS software vendor PowerDNS has advised users to patch its "Authoritative" and "Recursor" products, to squish five bugs disclosed today. None of the bugs pose a risk that PowerDNS might itself be compromised, but this is the DNS: what an attacker can do is fool around with DNS records in various ways. That can be catastrophic if done right: for example, if a network is tricked into advertising itself as the whole of the Internet, it can be hosed, or if the wrong network promises it'...
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