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OpenSSH 5.4 < 7.1p2 Multiple Vulnerabilities

critical Nessus Plugin ID 106608

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Synopsis

The SSH server running on the remote host is affected by multiple vulnerabilities.

Description

According to its banner, the version of OpenSSH running on the remote host is 5.x prior to 5.4, 6.x or 7.x prior to 7.1p2. It is, therefore, affected by multiple vulnerabilities.

- A potential information disclosure vulnerability which may allow remote servers to obtain sensitive information from process memory by requesting transmission of an entire buffer (CVE-2016-0777)

 - A denial of service vulnerability due to a heap-base overflow in roaming_common.c (CVE-2016-0778)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to OpenSSH version 7.1p2 or later.

See Also

http://www.openssh.com/txt/release-7.1p2

Plugin Details

Severity: Critical

ID: 106608

File Name: openssh_71p2_roaming_dos.nasl

Version: 1.8

Type: remote

Family: Misc.

Published: 2/5/2018

Updated: 2/18/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2016-0778

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

CVSS Score Source: manual

Vulnerability Information

CPE: cpe:/a:openbsd:openssh

Required KB Items: installed_sw/OpenSSH

Exploit Ease: No known exploits are available

Patch Publication Date: 1/14/2016

Vulnerability Publication Date: 1/14/2016

Reference Information

CVE: CVE-2016-0777, CVE-2016-0778

BID: 80695, 80698