ISC BIND 9.x < 9.9.8-P2 / 9.9.9-S3 / 9.10.3-P2 DoS

High Nessus Network Monitor Plugin ID 9868


The remote DNS server may be affected by a Denial of Service (DoS) attack vector.


Versions of ISC BIND 9.x prior to 9.9.8-P2, 9.9.9-S3 and 9.10.3-P2 are unpatched for a flaw in 'resolver.c' that is triggered when handling socket errors. This may allow a remote attacker to potentially trigger an INSIST failure and cause a server to exit.


Upgrade ISC BIND to version 9.10.3-P2 or later. If version 9.10.x cannot be obtained, versions 9.9.9-S3 and 9.9.8-P2 are also patched for this vulnerability.

See Also

Plugin Details

Severity: High

ID: 9868

File Name: 9868.prm

Family: DNS Servers

Published: 2017/01/19

Modified: 2017/01/19

Dependencies: 1003

Nessus ID: 87503

Risk Information

Risk Factor: High


Base Score: 7.1

Temporal Score: 6.2

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:C

Temporal Vector: CVSS2#E:ND/RL:OF/RC:C


Base Score: 5.9

Temporal Score: 5.7


Temporal Vector: CVSS3#E:X/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:isc:bind

Patch Publication Date: 2015/12/15

Vulnerability Publication Date: 2015/12/15

Reference Information

CVE: CVE-2015-8461

BID: 79347

OSVDB: 131838