FreeBSD : OpenSSH -- MaxAuthTries limit bypass via duplicates in KbdInteractiveDevices (5b74a5bc-348f-11e5-ba05-c80aa9043978)

This script is Copyright (C) 2015-2016 Tenable Network Security, Inc.


Synopsis :

The remote FreeBSD host is missing a security-related update.

Description :

It was discovered that the OpenSSH sshd daemon did not check the list
of keyboard-interactive authentication methods for duplicates. A
remote attacker could use this flaw to bypass the MaxAuthTries limit,
making it easier to perform password guessing attacks.

See also :

https://access.redhat.com/security/cve/CVE-2015-5600
http://www.nessus.org/u?627837dd

Solution :

Update the affected package.

Risk factor :

High / CVSS Base Score : 8.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:C)

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 85033 ()

Bugtraq ID:

CVE ID: CVE-2015-5600

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