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CVE Database


Impact: Low
Public: 2013-02-06
Bugzilla: 908707: CVE-2010-5107 openssh: Prevent connection slot exhaustion attacks


The MITRE CVE dictionary describes this issue as:

The default configuration of OpenSSH through 6.1 enforces a fixed time limit between establishing a TCP connection and completing a login, which makes it easier for remote attackers to cause a denial of service (connection-slot exhaustion) by periodically making many new TCP connections.

Find out more about CVE-2010-5107 from the MITRE CVE dictionary and NIST NVD.


This issue affects the versions of OpenSSH as shipped with Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.

CVSS v2 metrics

Base Score: 5.0
Base Metrics: AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector: Network
Access Complexity: Low
Authentication: None
Confidentiality Impact: None
Integrity Impact: None
Availability Impact: Partial

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

Red Hat security errata

Platform Errata Release Date
RHEV Hypervisor for RHEL-6 (rhev-hypervisor6) RHSA-2013:1527 November 21, 2013
Red Hat Enterprise Linux version 6 (openssh) RHSA-2013:1591 November 20, 2013

External References

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.