Juniper Junos proxy-arp/arp-resp DoS (JSA10576)

Medium Nessus Plugin ID 68909


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


According to its self-reported version number, the remote Junos device has a denial of service vulnerability. Specially crafted ARP requests can result in a crash when a 'family inet' interface is configured as follows :

- Uses a VLAN interface with an unnumbered address based on lo0

- lo0 is configured with a non-/32 address

- Both 'proxy-arp unrestricted' and 'arp-resp unrestricted' are enabled


Apply the relevant Junos upgrade referenced in Juniper advisory JSA10576.

See Also

Plugin Details

Severity: Medium

ID: 68909

File Name: juniper_jsa10576.nasl

Version: $Revision: 1.5 $

Type: combined

Published: 2013/07/16

Modified: 2017/05/16

Dependencies: 55932

Risk Information

Risk Factor: Medium


Base Score: 5.7

Temporal Score: 4.2

Vector: CVSS2#AV:A/AC:M/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: 2013/07/10

Vulnerability Publication Date: 2013/07/10

Reference Information

CVE: CVE-2013-4686

BID: 61126

OSVDB: 95109