ISC BIND contains a flaw that may allow a remote denial of service. The issue is triggered when the named program does not properly clear matching RRSIG records from the cache when negatively caching a 'NO DATA'. This can be exploited to result in loss of availability.
Classification
Location:
Remote / Network Access
Attack Type:
Denial of Service
Impact:
Loss of Availability
Solution:
Upgrade
Exploit:
Exploit Unknown
Disclosure:
Vendor Verified
Solution
Upgrade to version 9.6.2-P3, 9.6-ESV-R3, 9.7.2-P3 or higher, as they have been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.
