Public Date:
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 dictionary and NIST NVD.


Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle:

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 5
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
Red Hat Enterprise Linux version 6 (openssh) RHSA-2013:1591 2013-11-20
RHEV Hypervisor for RHEL-6 (rhev-hypervisor6) RHSA-2013:1527 2013-11-21

Affected Packages State

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