CVE-2016-6210

Impact:
Moderate
Public Date:
2016-07-14
CWE:
CWE-385
Bugzilla:
1357442: CVE-2016-6210 openssh: User enumeration via covert timing channel
A covert timing channel flaw was found in the way OpenSSH handled authentication of non-existent users. A remote unauthenticated attacker could possibly use this flaw to determine valid user names by measuring the timing of server responses.

Find out more about CVE-2016-6210 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue in OpenSSH is mitigated by the usage of SELinux in Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7.

CVSS v2 metrics

Base Score 5
Base Metrics AV:N/AC:L/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None

CVSS v3 metrics

CVSS3 Base Score 5.3
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Impact None
Availability Impact None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (openssh) RHSA-2017:2029 2017-08-01
Red Hat Enterprise Linux 6 (openssh) RHSA-2017:2563 2017-08-31

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 openssh Will not fix

Last Modified
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