Juniper Junos DNSSEC Validation DoS (PSN-2013-04-918)

High Nessus Plugin ID 66516

Synopsis

The remote device is missing a vendor-supplied security patch.

Description

According to its self-reported version number, the remote Junos device has a denial of service vulnerability. When DNSSEC is enabled and validation is active, a high query load can cause the host to crash. A remote, unauthenticated attacker could exploit this to crash the host.

Solution

Apply the relevant Junos upgrade referenced in Juniper advisory PSN-2013-04-918.

See Also

http://www.nessus.org/u?84f5b57a

Plugin Details

Severity: High

ID: 66516

File Name: juniper_psn-2013-04-918.nasl

Version: 1.9

Type: combined

Published: 2013/05/20

Updated: 2018/07/12

Dependencies: 55932

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.8

Temporal Score: 5.8

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

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

Vulnerability Information

CPE: cpe:/o:juniper:junos

Required KB Items: Host/Juniper/JUNOS/Version, Host/Juniper/JUNOS/BuildDate

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2013/04/08

Vulnerability Publication Date: 2012/07/24

Reference Information

CVE: CVE-2012-3817

BID: 54658