CVE-2014-4047: Medium severity Digium Asterisk Appliance Developer Kit vulnerability

Published Jun 17, 2014
·
Updated

Asterisk Open Source 1.8.x before 1.8.28.1, 11.x before 11.10.1, and 12.x before 12.3.1 and Certified Asterisk 1.8.15 before 1.8.15-cert6 and 11.6 before 11.6-cert3 allows remote attackers to cause a denial of service (connection consumption) via a large number of (1) inactive or (2) incomplete HTTP connections.

Affected Software

217 affected components
Digium Asterisk Appliance Developer Kit=1.8.15
Digium Asterisk Appliance Developer Kit=1.8.15-cert1
Digium Asterisk Appliance Developer Kit=1.8.15-cert1_rc1
Digium Asterisk Appliance Developer Kit=1.8.15-cert1_rc2
Digium Asterisk Appliance Developer Kit=1.8.15-cert1_rc3
Digium Asterisk Appliance Developer Kit=1.8.15-cert2
Digium Asterisk Appliance Developer Kit=1.8.15-cert3
Digium Asterisk Appliance Developer Kit=1.8.15-cert4
Digium Asterisk Appliance Developer Kit=1.8.15-cert5
Asterisk=1.8.0
Asterisk=1.8.0-beta1
Asterisk=1.8.0-beta2
Asterisk=1.8.0-beta3
Asterisk=1.8.0-beta4
Asterisk=1.8.0-beta5
Asterisk=1.8.0-rc2
Asterisk=1.8.0-rc3
Asterisk=1.8.0-rc4
Asterisk=1.8.0-rc5
Asterisk=1.8.1
Asterisk=1.8.1-rc1
Asterisk=1.8.1.1
Asterisk=1.8.1.2
Asterisk=1.8.2
Asterisk=1.8.2.1
Asterisk=1.8.2.2
Asterisk=1.8.2.3
Asterisk=1.8.2.4
Asterisk=1.8.3
Asterisk=1.8.3-rc1
Asterisk=1.8.3-rc2
Asterisk=1.8.3-rc3
Asterisk=1.8.3.1
Asterisk=1.8.3.2
Asterisk=1.8.3.3
Asterisk=1.8.4
Asterisk=1.8.4-rc1
Asterisk=1.8.4-rc2
Asterisk=1.8.4-rc3
Asterisk=1.8.4.1
Asterisk=1.8.4.2
Asterisk=1.8.4.3
Asterisk=1.8.4.4
Asterisk=1.8.5
Asterisk=1.8.5-rc1
Asterisk=1.8.5.0
Asterisk=1.8.6.0
Asterisk=1.8.6.0-rc1
Asterisk=1.8.6.0-rc2
Asterisk=1.8.6.0-rc3
Asterisk=1.8.7.0
Asterisk=1.8.7.0-rc1
Asterisk=1.8.7.0-rc2
Asterisk=1.8.7.1
Asterisk=1.8.8.0
Asterisk=1.8.8.0
Asterisk=1.8.8.0-patch
Asterisk=1.8.8.0-rc1
Asterisk=1.8.8.0-rc2
Asterisk=1.8.8.0-rc3
Asterisk=1.8.8.0-rc4
Asterisk=1.8.8.0-rc5
Asterisk=1.8.8.1
Asterisk=1.8.8.2
Asterisk=1.8.9.0
Asterisk=1.8.9.0
Asterisk=1.8.9.0-rc1
Asterisk=1.8.9.0-rc2
Asterisk=1.8.9.0-rc3
Asterisk=1.8.9.1
Asterisk=1.8.9.2
Asterisk=1.8.9.3
Asterisk=1.8.10.0
Asterisk=1.8.10.0
Asterisk=1.8.10.0-rc1
Asterisk=1.8.10.0-rc2
Asterisk=1.8.10.0-rc3
Asterisk=1.8.10.0-rc4
Asterisk=1.8.10.1
Asterisk=1.8.11.0
Asterisk=1.8.11.0
Asterisk=1.8.11.0-patch
Asterisk=1.8.11.0-rc2
Asterisk=1.8.11.0-rc3
Asterisk=1.8.11.1
Asterisk=1.8.11.1
Asterisk=1.8.11.1-patch
Asterisk=1.8.12
Asterisk=1.8.12.0
Asterisk=1.8.12.0
Asterisk=1.8.12.0-rc1
Asterisk=1.8.12.0-rc2
Asterisk=1.8.12.0-rc3
Asterisk=1.8.12.1
Asterisk=1.8.12.2
Asterisk=1.8.13.0
Asterisk=1.8.13.0-rc1
Asterisk=1.8.13.0-rc2
Asterisk=1.8.13.1
Asterisk=1.8.14.0
Asterisk=1.8.14.0-patch
Asterisk=1.8.14.0-rc1
Asterisk=1.8.14.0-rc2
Asterisk=1.8.14.1
Asterisk=1.8.14.1
Asterisk=1.8.14.1-patch
Asterisk=1.8.15.0
Asterisk=1.8.15.0
Asterisk=1.8.15.0-rc1
Asterisk=1.8.15.1
Asterisk=1.8.16.0
Asterisk=1.8.16.0
Asterisk=1.8.16.0-rc1
Asterisk=1.8.16.0-rc2
Asterisk=1.8.17.0
Asterisk=1.8.17.0
Asterisk=1.8.17.0-patch
Asterisk=1.8.17.0-rc1
Asterisk=1.8.17.0-rc2
Asterisk=1.8.17.0-rc3
Asterisk=1.8.18.0
Asterisk=1.8.18.0
Asterisk=1.8.18.0-rc1
Asterisk=1.8.18.1
Asterisk=1.8.19.0
Asterisk=1.8.19.0
Asterisk=1.8.19.0-rc1
Asterisk=1.8.19.0-rc3
Asterisk=1.8.19.1
Asterisk=1.8.20.0
Asterisk=1.8.20.0-patch
Asterisk=1.8.20.0-rc1
Asterisk=1.8.20.0-rc2
Asterisk=1.8.20.1
Asterisk=1.8.20.1-patch
Asterisk=1.8.20.2
Asterisk=1.8.20.2-patch
Asterisk=1.8.21.0
Asterisk=1.8.21.0-rc1
Asterisk=1.8.21.0-rc2
Asterisk=1.8.22.0
Asterisk=1.8.22.0-rc1
Asterisk=1.8.22.0-rc2
Asterisk=1.8.23.0
Asterisk=1.8.23.0-patch
Asterisk=1.8.23.0-rc1
Asterisk=1.8.23.0-rc2
Asterisk=1.8.23.1
Asterisk=1.8.24.0
Asterisk=1.8.24.0-rc1
Asterisk=1.8.24.0-rc2
Asterisk=1.8.24.1
Asterisk=1.8.25.0
Asterisk=1.8.25.0-rc1
Asterisk=1.8.25.0-rc2
Asterisk=1.8.26.0
Asterisk=1.8.26.0-rc1
Asterisk=1.8.26.1
Asterisk=1.8.27.0
Asterisk=1.8.27.0-rc1
Asterisk=1.8.27.0-rc2
Asterisk=1.8.28.0
Asterisk=1.8.28.0-rc1
Asterisk=12.0.0
Asterisk=12.1.0
Asterisk=12.1.0-rc1
Asterisk=12.1.0-rc2
Asterisk=12.1.0-rc3
Asterisk=12.1.1
Asterisk=12.2.0
Asterisk=12.2.0-rc1
Asterisk=12.2.0-rc2
Asterisk=12.2.0-rc3
Asterisk=12.3.0
Asterisk=12.3.0-rc1
Asterisk=12.3.0-rc2
Asterisk=11.0.0
Asterisk=11.0.0-beta1
Asterisk=11.0.0-beta2
Asterisk=11.0.0-rc1
Asterisk=11.0.0-rc2
Asterisk=11.0.1
Asterisk=11.0.2
Asterisk=11.1.0
Asterisk=11.1.0-rc1
Asterisk=11.1.0-rc3
Asterisk=11.1.1
Asterisk=11.1.2
Asterisk=11.2.0-rc1
Asterisk=11.2.0-rc2
Asterisk=11.3.0-rc1
Asterisk=11.3.0-rc2
Asterisk=11.4.0
Asterisk=11.4.0-rc1
Asterisk=11.4.0-rc2
Asterisk=11.4.0-rc3
Asterisk=11.5.0
Asterisk=11.5.0-rc1
Asterisk=11.5.0-rc2
Asterisk=11.5.1
Asterisk=11.8.0
Asterisk=11.8.0-rc1
Asterisk=11.8.0-rc2
Asterisk=11.8.0-rc3
Asterisk=11.8.1
Asterisk=11.9.0
Asterisk=11.9.0-rc1
Asterisk=11.9.0-rc2
Asterisk=11.10.0
Asterisk=11.10.0-rc1
Digium Asterisk Appliance Developer Kit=11.6-cert1
Digium Asterisk Appliance Developer Kit=11.6-cert1_rc1
Digium Asterisk Appliance Developer Kit=11.6-cert1_rc2
Digium Asterisk Appliance Developer Kit=11.6-cert2
Digium Asterisk Appliance Developer Kit=11.6.0
Digium Asterisk Appliance Developer Kit=11.6.0-rc1
Digium Asterisk Appliance Developer Kit=11.6.0-rc2

Remediation

Patch Available

http://downloads.asterisk.org/pub/security/AST-2014-007.html

Event History

Jun 17, 2014
CVE Published
via MITRE·02:00 PM
Data Sourced
via MITRE·02:00 PM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2014-4047?

CVE-2014-4047 is classified as a denial of service vulnerability that allows remote attackers to significantly consume connection resources.

2

How do I fix CVE-2014-4047?

To fix CVE-2014-4047, upgrade Asterisk to versions 1.8.28.1, 11.10.1, or 12.3.1 or later.

3

Which Asterisk versions are affected by CVE-2014-4047?

CVE-2014-4047 affects Asterisk Open Source versions 1.8.x before 1.8.28.1, 11.x before 11.10.1, and 12.x before 12.3.1.

4

Can CVE-2014-4047 lead to a service outage?

Yes, CVE-2014-4047 can lead to service outages by overwhelming Asterisk with a large number of inactive or incomplete HTTP connections.

5

Is CVE-2014-4047 easy to exploit?

CVE-2014-4047 can be easily exploited by remote attackers who can send a large number of HTTP requests to the vulnerable server.

Company

Resources

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