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Debian DSA-3567-1 : libpam-sshauth - security update

critical Nessus Plugin ID 90897

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Synopsis

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

Description

It was discovered that libpam-sshauth, a PAM module to authenticate using an SSH server, does not correctly handle system users. In certain configurations an attacker can take advantage of this flaw to gain root privileges.

Solution

Upgrade the libpam-sshauth packages.

For the stable distribution (jessie), this problem has been fixed in version 0.3.1-1+deb8u1.

See Also

https://packages.debian.org/source/jessie/libpam-sshauth

https://www.debian.org/security/2016/dsa-3567

Plugin Details

Severity: Critical

ID: 90897

File Name: debian_DSA-3567.nasl

Version: 2.6

Type: local

Agent: unix

Published: 5/5/2016

Updated: 1/11/2021

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libpam-sshauth, cpe:/o:debian:debian_linux:8.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Patch Publication Date: 5/4/2016

Reference Information

CVE: CVE-2016-4422

DSA: 3567