RHEL 6 : openssh (RHSA-2016:0741)

critical Nessus Plugin ID 91073

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Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2016:0741 advisory.

- openssh: XSECURITY restrictions bypass under certain conditions in ssh(1) (CVE-2015-5352)

- openssh: Privilege separation weakness related to PAM support (CVE-2015-6563)

- openssh: Use-after-free bug related to PAM support (CVE-2015-6564)

- openssh: possible fallback from untrusted to trusted X11 forwarding (CVE-2016-1908)

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

Solution

Update the affected packages.

Plugin Details

Severity: Critical

ID: 91073

File Name: redhat-RHSA-2016-0741.nasl

Version: 2.13

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 5/12/2016

Updated: 4/21/2024

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2016-1908

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:openssh, p-cpe:/a:redhat:enterprise_linux:openssh-askpass, p-cpe:/a:redhat:enterprise_linux:openssh-clients, p-cpe:/a:redhat:enterprise_linux:openssh-ldap, p-cpe:/a:redhat:enterprise_linux:openssh-server, p-cpe:/a:redhat:enterprise_linux:pam_ssh_agent_auth, cpe:/o:redhat:enterprise_linux:6

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 5/10/2016

Vulnerability Publication Date: 8/2/2015

Reference Information

CVE: CVE-2015-5352, CVE-2015-6563, CVE-2015-6564, CVE-2016-1908

CWE: 266, 284, 416

RHSA: 2016:0741

Detections

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