Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title OpenSSH: Multiple vulnerabilities
Informations
Name GLSA-201903-16 First vendor Publication 2019-03-20
Vendor Gentoo Last vendor Modification 2019-03-20
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:P/A:P)
Cvss Base Score 5.8 Attack Range Network
Cvss Impact Score 4.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

Multiple vulnerabilities have been found in OpenSSH, the worst of which could allow a remote attacker to gain unauthorized access.

Background

OpenSSH is a complete SSH protocol implementation that includes SFTP client and server support.

Description

Multiple vulnerabilities have been discovered in OpenSSH. Please review the CVE identifiers referenced below for details.

Impact

A remote attacker could overwrite arbitrary files, transfer malicious files, or gain unauthorized access.

Workaround

There is no known workaround at this time.

Resolution

All OpenSSH users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/openssh-7.9_p1-r4"

References

[ 1 ] CVE-2018-20685 : https://nvd.nist.gov/vuln/detail/CVE-2018-20685
[ 2 ] CVE-2019-6109 : https://nvd.nist.gov/vuln/detail/CVE-2019-6109
[ 3 ] CVE-2019-6110 : https://nvd.nist.gov/vuln/detail/CVE-2019-6110
[ 4 ] CVE-2019-6111 : https://nvd.nist.gov/vuln/detail/CVE-2019-6111

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

https://security.gentoo.org/glsa/201903-16

Original Source

Url : http://security.gentoo.org/glsa/glsa-201903-16.xml

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-116 Improper Encoding or Escaping of Output
50 % CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 1
Application 1
Application 1
Application 1
Application 1
Application 152
Application 47
Os 4
Os 2
Os 1
Os 459
Os 1
Os 2
Os 4
Os 3
Os 3

Nessus® Vulnerability Scanner

Date Description
2019-01-16 Name : The remote Fedora host is missing a security update.
File : fedora_2019-f6ff819834.nasl - Type : ACT_GATHER_INFO

Alert History

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0
Date Informations
2019-03-20 17:18:13
  • First insertion