dnskeygen in BIND 8.2.4 and earlier, and dnssec-keygen in BIND 9.1.2 and earlier, set insecure permissions for a HMAC-MD5 shared secret key file used for DNS Transactional Signatures (TSIG), which allows attackers to obtain the keys and perform dynamic DNS updates.
Software | From | Fixed in |
---|---|---|
isc / bind | - | 8.2.4.x |
isc / bind | 9.0 | 9.1.2.x |