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

medium Nessus Plugin ID 68909

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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. 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

Solution

Apply the relevant Junos upgrade referenced in Juniper advisory JSA10576.

Plugin Details

Severity: Medium

ID: 68909

File Name: juniper_jsa10576.nasl

Version: 1.6

Type: combined

Family: Junos Local Security Checks

Published: 7/16/2013

Updated: 7/12/2018

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

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

Vulnerability Information

CPE: cpe:/o:juniper:junos

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/10/2013

Vulnerability Publication Date: 7/10/2013

Reference Information

CVE: CVE-2013-4686

BID: 61126

Detections

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