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RHEL 2.1 : openssh (RHSA-2005:481)

medium Nessus Plugin ID 18423

Synopsis

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

Description

Updated openssh packages that fix a potential security vulnerability and various other bugs are now available for Red Hat Enterprise Linux 2.1.

This update has been rated as having low security impact by the Red Hat Security Response Team.

OpenSSH is OpenBSD's SSH (Secure SHell) protocol implementation. SSH replaces rlogin and rsh, and provides secure encrypted communications between two untrusted hosts over an insecure network. X11 connections and arbitrary TCP/IP ports can also be forwarded over a secure channel. Public key authentication can be used for 'passwordless' access to servers.

The scp protocol allows a server to instruct a client to write to arbitrary files outside of the current directory. This could potentially cause a security issue if a user uses scp to copy files from a malicious server. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CVE-2004-0175 to this issue.

These updated packages also correct the following bug :

On systems in which direct ssh access for the root user was disabled by configuration (setting 'PermitRootLogin no'), attempts to guess the root password could be judged as sucessful or unsucessful by observing a delay.

Users of openssh should upgrade to these updated packages, which contain backported patches to resolve these issues.

Solution

Update the affected packages.

See Also

https://access.redhat.com/security/cve/cve-2004-0175

https://access.redhat.com/errata/RHSA-2005:481

Plugin Details

Severity: Medium

ID: 18423

File Name: redhat-RHSA-2005-481.nasl

Version: 1.25

Type: local

Agent: unix

Published: 6/6/2005

Updated: 1/14/2021

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:2.1, 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-server, p-cpe:/a:redhat:enterprise_linux:openssh-askpass-gnome

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

Patch Publication Date: 6/2/2005

Vulnerability Publication Date: 8/18/2004

Reference Information

CVE: CVE-2004-0175

CWE: 22

RHSA: 2005:481