Executive Summary

Summary
Title OpenSSH: User enumeration vulnerability
Informations
Name GLSA-201810-03 First vendor Publication 2018-10-06
Vendor Gentoo Last vendor Modification 2018-10-06
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:L/Au:N/C:P/I:N/A:N)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

A vulnerability in OpenSSH might allow remote attackers to determine valid usernames.

Background

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

Description

It was discovered that OpenSSH was prone to a user enumeration vulnerability.

Impact

A remote attacker could conduct user enumeration.

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-7.7_p1-r8"

References

[ 1 ] CVE-2018-15473 : https://nvd.nist.gov/vuln/detail/CVE-2018-15473

Availability

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

https://security.gentoo.org/glsa/201810-03

Original Source

Url : http://security.gentoo.org/glsa/glsa-201810-03.xml

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-362 Race Condition

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 1
Application 1
Application 1
Application 1
Application 1
Application 1
Application 1
Application 1
Application 152
Application 1
Os 3
Os 2
Os 1
Os 1
Os 2
Os 2
Os 2

Nessus® Vulnerability Scanner

Date Description
2019-01-08 Name : The remote EulerOS host is missing a security update.
File : EulerOS_SA-2019-1008.nasl - Type : ACT_GATHER_INFO
2019-01-03 Name : The remote Fedora host is missing a security update.
File : fedora_2018-065a7722ee.nasl - Type : ACT_GATHER_INFO
2018-12-28 Name : The remote EulerOS Virtualization host is missing a security update.
File : EulerOS_SA-2018-1411.nasl - Type : ACT_GATHER_INFO
2018-12-28 Name : The remote EulerOS Virtualization host is missing a security update.
File : EulerOS_SA-2018-1413.nasl - Type : ACT_GATHER_INFO
2018-12-28 Name : The remote EulerOS host is missing a security update.
File : EulerOS_SA-2018-1431.nasl - Type : ACT_GATHER_INFO
2018-12-10 Name : The remote EulerOS host is missing a security update.
File : EulerOS_SA-2018-1405.nasl - Type : ACT_GATHER_INFO
2018-10-09 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201810-03.nasl - Type : ACT_GATHER_INFO
2018-09-27 Name : The remote Amazon Linux 2 host is missing a security update.
File : al2_ALAS-2018-1075.nasl - Type : ACT_GATHER_INFO
2018-09-14 Name : The remote Fedora host is missing a security update.
File : fedora_2018-f56ded11c4.nasl - Type : ACT_GATHER_INFO
2018-09-07 Name : The remote Amazon Linux AMI host is missing a security update.
File : ala_ALAS-2018-1075.nasl - Type : ACT_GATHER_INFO
2018-08-28 Name : The remote Debian host is missing a security update.
File : debian_DLA-1476.nasl - Type : ACT_GATHER_INFO
2018-08-23 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-4280.nasl - Type : ACT_GATHER_INFO
2018-08-22 Name : The remote Debian host is missing a security update.
File : debian_DLA-1474.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
Date Informations
2018-10-16 17:22:08
  • Multiple Updates
2018-10-06 21:19:22
  • First insertion