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

This script is Copyright (C) 2017 Tenable Network Security, Inc.


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.

See also :

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

Solution :

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

Risk factor :

Medium / CVSS Base Score : 4.8
(CVSS2#AV:A/AC:L/Au:N/C:P/I:P/A:N)
CVSS Temporal Score : 4.0
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

Family: Junos Local Security Checks

Nessus Plugin ID: 102703 ()

Bugtraq ID:

CVE ID: CVE-2017-2342

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