An issue has been found in the DNSSEC parsing code of PowerDNS Recursor from 4.0.0 up to and including 4.0.6 leading to a memory leak when parsing specially crafted DNSSEC ECDSA keys. These keys are only parsed when validation is enabled by setting dnssec to a value other than off or process-no-validate (default).
| 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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