Juniper Junos QFX / EX Series 'Etherleak' Improper Padding Memory Disclosure (JSA10773)

Low Nessus Plugin ID 96662

Synopsis

The remote device is affected by a memory disclosure vulnerability.

Description

According to its self-reported version number, the remote Juniper Junos QFX or EX series device is affected by a memory disclosure vulnerability, known as Etherleak, due to padding Ethernet packets with data from previous packets instead of padding them with null bytes. An unauthenticated, adjacent attacker can exploit this issue to disclose portions of system memory or data from previous packets. This issue is also often detected as CVE-2003-0001.

Note that Nessus has not tested for this issue but has instead relied only on the device's self-reported version and model

Solution

Apply the relevant Junos software release referenced in Juniper advisory JSA10773.

See Also

https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10773

Plugin Details

Severity: Low

ID: 96662

File Name: juniper_jsa10773.nasl

Version: 1.4

Type: combined

Published: 2017/01/20

Modified: 2017/04/21

Dependencies: 55932

Risk Information

Risk Factor: Low

CVSSv2

Base Score: 3.3

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

CVSSv3

Base Score: 4.3

Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Vulnerability Information

CPE: cpe:/o:juniper:junos

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

Patch Publication Date: 2017/01/11

Vulnerability Publication Date: 2017/01/11

Reference Information

CVE: CVE-2017-2304

BID: 95403

JSA: JSA10773