ISC BIND < 9.4.1 / 9.5.0a4 query.c query_addsoa Function Recursive Query DoS

high Nessus Plugin ID 25121
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The remote name server is prone to a denial of service attack.


The version of BIND installed on the remote host reportedly is affected by a denial of service vulnerability that may be triggered when handling certain sequences of recursive queries.


Either disable recursion or upgrade to BIND 9.4.1 / 9.5.0a4 or later.

See Also

Plugin Details

Severity: High

ID: 25121

File Name: bind9_query_addsoa_dos.nasl

Version: 1.21

Type: remote

Family: DNS

Published: 5/1/2007

Updated: 11/15/2018

Dependencies: bind_version.nasl

Configuration: Enable paranoid mode

Risk Information


Risk Factor: Low

Score: 3.6


Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C

Temporal Vector: E:U/RL:OF/RC:C

Vulnerability Information

CPE: cpe:/a:isc:bind

Required KB Items: bind/version, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 4/30/2007

Reference Information

CVE: CVE-2007-2241

BID: 23738