Detections
Analytics

Juniper Junos SRX MACsec Feature Secure Link Failure Silent Fallback Information Disclosure (JSA10790)

medium Nessus Plugin ID 102703

Language:

Synopsis

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

Description

According to its self-reported version and model number, the remote Juniper Junos device is affected by an information disclosure vulnerability in the MACsec feature due to error reporting over an unencrypted link when a secure link cannot be established. An adjacent attacker can exploit this to disclose or manipulate error information.

Solution

Upgrade to the relevant Junos software release referenced in Juniper security advisory JSA10790.

See Also

https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10790

Plugin Details

Severity: Medium

ID: 102703

File Name: juniper_jsa10790.nasl

Version: 1.3

Type: combined

Published: 8/23/2017

Updated: 7/12/2018

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 4.8

Temporal Score: 3.5

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

CVSS v3

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.7

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:juniper:junos

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/12/2017

Vulnerability Publication Date: 7/12/2017

Reference Information

CVE: CVE-2017-2342

JSA: JSA10790