What is the severity of REDHAT-BUG-1522918?

The severity of REDHAT-BUG-1522918 is high due to the potential for Denial of Service caused by the exhaustion of available socket descriptors.

How do I fix REDHAT-BUG-1522918?

To fix REDHAT-BUG-1522918, you should apply the upstream patch provided by ISC for the DHCP server.

What product is affected by REDHAT-BUG-1522918?

The affected product for REDHAT-BUG-1522918 is the ISC DHCP Server.

What attack vector is associated with REDHAT-BUG-1522918?

The attack vector associated with REDHAT-BUG-1522918 involves sending empty messages by a malicious client to consume all available socket descriptors.

What type of vulnerability is REDHAT-BUG-1522918?

REDHAT-BUG-1522918 is a Denial of Service vulnerability.

Vulnerability/
REDHAT-BUG-1522918

medium

6/12/2017

11/3/2021

REDHAT-BUG-1522918

First published: Wed Dec 06 2017(Updated: )

It was found that omapi code doesn't free socket descriptor if empty message was sent by client, which allows malicious client to use up all available descriptors causing Denial of Service. Upstream patch: <a href="https://source.isc.org/cgi-bin/gitweb.cgi?p=dhcp.git;a=commit;h=1a6b62fe17a">https://source.isc.org/cgi-bin/gitweb.cgi?p=dhcp.git;a=commit;h=1a6b62fe17a</a>

Affected Software	Affected Version	How to fix
ISC DHCP Server

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Frequently Asked Questions

What is the severity of REDHAT-BUG-1522918?
The severity of REDHAT-BUG-1522918 is high due to the potential for Denial of Service caused by the exhaustion of available socket descriptors.
How do I fix REDHAT-BUG-1522918?
To fix REDHAT-BUG-1522918, you should apply the upstream patch provided by ISC for the DHCP server.
What product is affected by REDHAT-BUG-1522918?
The affected product for REDHAT-BUG-1522918 is the ISC DHCP Server.
What attack vector is associated with REDHAT-BUG-1522918?
The attack vector associated with REDHAT-BUG-1522918 involves sending empty messages by a malicious client to consume all available socket descriptors.
What type of vulnerability is REDHAT-BUG-1522918?
REDHAT-BUG-1522918 is a Denial of Service vulnerability.

agent/type
agent/last-modified-date
agent/first-publish-date
collector/redhat-bugzilla
source/Red Hat
alias/CVE-2017-3144
agent/source
agent/references
agent/severity
agent/description
agent/event
agent/tags
agent/softwarecombine
agent/guess-ai
agent/software-canonical-lookup
agent/software-canonical-lookup-request
vendor/isc
canonical/isc dhcp

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Frequently Asked Questions

What is the severity of REDHAT-BUG-1522918?
The severity of REDHAT-BUG-1522918 is high due to the potential for Denial of Service caused by the exhaustion of available socket descriptors.
How do I fix REDHAT-BUG-1522918?
To fix REDHAT-BUG-1522918, you should apply the upstream patch provided by ISC for the DHCP server.
What product is affected by REDHAT-BUG-1522918?
The affected product for REDHAT-BUG-1522918 is the ISC DHCP Server.
What attack vector is associated with REDHAT-BUG-1522918?
The attack vector associated with REDHAT-BUG-1522918 involves sending empty messages by a malicious client to consume all available socket descriptors.
What type of vulnerability is REDHAT-BUG-1522918?
REDHAT-BUG-1522918 is a Denial of Service vulnerability.