CVE-2009-2346: Buffer Overflow

Published Sep 8, 2009
·
Updated

The IAX2 protocol implementation in Asterisk Open Source 1.2.x before 1.2.35, 1.4.x before 1.4.26.2, 1.6.0.x before 1.6.0.15, and 1.6.1.x before 1.6.1.6; Business Edition B.x.x before B.2.5.10, C.2.x before C.2.4.3, and C.3.x before C.3.1.1; and s800i 1.3.x before 1.3.0.3 allows remote attackers to cause a denial of service (call-number exhaustion) by initiating many IAX2 message exchanges, a related issue to CVE-2008-3263.

Affected Software

194 affected components
Asterisk Asterisk=b.1.3.2
Asterisk Asterisk=b.1.3.3
Asterisk Asterisk=b.2.2.0
Asterisk Asterisk=b.2.2.1
Asterisk Asterisk=b.2.3.1
Asterisk Asterisk=b.2.3.2
Asterisk Asterisk=b.2.3.3
Asterisk Asterisk=b.2.3.4
Asterisk Asterisk=b.2.3.5
Asterisk Asterisk=b.2.3.6
Asterisk Asterisk=b.2.5.1
Asterisk Asterisk=b.2.5.3
Asterisk Asterisk=b.2.5.4
Asterisk Asterisk=b.2.5.5
Asterisk Asterisk=b.2.5.6
Asterisk Asterisk=b.2.5.8
Asterisk Asterisk=b.2.5.9
Asterisk Asterisk=c.1.0_beta7
Asterisk Asterisk=c.1.0_beta8
Asterisk Asterisk=c.1.6
Asterisk Asterisk=c.1.6.1
Asterisk Asterisk=c.1.6.2
Asterisk Asterisk=c.1.8.1
Asterisk Asterisk=c.1.10.3
Asterisk Asterisk=c.1.10.4
Asterisk Asterisk=c.1.10.5
Asterisk Asterisk=c.2.1.2.1
Asterisk Asterisk=c.2.3
Asterisk Asterisk=c.2.3.3
Asterisk Asterisk=c.2.4.2
Asterisk Asterisk=c.3.1.0
Asterisk Open Source=1.2.0
Asterisk Open Source=1.2.0-beta1
Asterisk Open Source=1.2.0-beta2
Asterisk Open Source=1.2.0-rc1
Asterisk Open Source=1.2.0-rc2
Asterisk Open Source=1.2.1
Asterisk Open Source=1.2.2
Asterisk Open Source=1.2.2-netsec
Asterisk Open Source=1.2.3
Asterisk Open Source=1.2.3-netsec
Asterisk Open Source=1.2.4
Asterisk Open Source=1.2.4-netsec
Asterisk Open Source=1.2.5
Asterisk Open Source=1.2.5-netsec
Asterisk Open Source=1.2.6
Asterisk Open Source=1.2.6-netsec
Asterisk Open Source=1.2.7
Asterisk Open Source=1.2.7-netsec
Asterisk Open Source=1.2.7.1
Asterisk Open Source=1.2.7.1-netsec
Asterisk Open Source=1.2.8
Asterisk Open Source=1.2.8-netsec
Asterisk Open Source=1.2.9
Asterisk Open Source=1.2.9.1
Asterisk Open Source=1.2.9.1-netsec
Asterisk Open Source=1.2.10
Asterisk Open Source=1.2.10-netsec
Asterisk Open Source=1.2.11
Asterisk Open Source=1.2.11-netsec
Asterisk Open Source=1.2.12
Asterisk Open Source=1.2.12-netsec
Asterisk Open Source=1.2.12.1
Asterisk Open Source=1.2.12.1-netsec
Asterisk Open Source=1.2.13
Asterisk Open Source=1.2.13-netsec
Asterisk Open Source=1.2.14
Asterisk Open Source=1.2.14-netsec
Asterisk Open Source=1.2.15
Asterisk Open Source=1.2.15-netsec
Asterisk Open Source=1.2.16
Asterisk Open Source=1.2.16-netsec
Asterisk Open Source=1.2.17
Asterisk Open Source=1.2.17-netsec
Asterisk Open Source=1.2.18
Asterisk Open Source=1.2.18-netsec
Asterisk Open Source=1.2.19
Asterisk Open Source=1.2.19-netsec
Asterisk Open Source=1.2.20
Asterisk Open Source=1.2.20-netsec
Asterisk Open Source=1.2.21
Asterisk Open Source=1.2.21-netsec
Asterisk Open Source=1.2.21.1
Asterisk Open Source=1.2.21.1-netsec
Asterisk Open Source=1.2.22
Asterisk Open Source=1.2.22-netsec
Asterisk Open Source=1.2.23
Asterisk Open Source=1.2.23-netsec
Asterisk Open Source=1.2.24
Asterisk Open Source=1.2.24-netsec
Asterisk Open Source=1.2.25
Asterisk Open Source=1.2.25-netsec
Asterisk Open Source=1.2.26
Asterisk Open Source=1.2.26-netsec
Asterisk Open Source=1.2.26.1
Asterisk Open Source=1.2.26.1-netsec
Asterisk Open Source=1.2.26.2
Asterisk Open Source=1.2.26.2-netsec
Asterisk Open Source=1.2.27
Asterisk Open Source=1.2.28
Asterisk Open Source=1.2.29
Asterisk Open Source=1.2.30
Asterisk Open Source=1.2.30.2
Asterisk Open Source=1.2.30.3
Asterisk Open Source=1.2.30.4
Asterisk Open Source=1.2.31
Asterisk Open Source=1.2.32
Asterisk Open Source=1.2.33
Asterisk Open Source=1.2.34
Asterisk Open Source=1.4.0
Asterisk Open Source=1.4.0-beta2
Asterisk Open Source=1.4.0-beta3
Asterisk Open Source=1.4.0-beta4
Asterisk Open Source=1.4.1
Asterisk Open Source=1.4.2
Asterisk Open Source=1.4.3
Asterisk Open Source=1.4.4
Asterisk Open Source=1.4.5
Asterisk Open Source=1.4.6
Asterisk Open Source=1.4.7
Asterisk Open Source=1.4.7.1
Asterisk Open Source=1.4.8
Asterisk Open Source=1.4.9
Asterisk Open Source=1.4.10
Asterisk Open Source=1.4.10.1
Asterisk Open Source=1.4.11
Asterisk Open Source=1.4.12
Asterisk Open Source=1.4.12.1
Asterisk Open Source=1.4.13
Asterisk Open Source=1.4.14
Asterisk Open Source=1.4.15
Asterisk Open Source=1.4.16
Asterisk Open Source=1.4.16.1
Asterisk Open Source=1.4.16.2
Asterisk Open Source=1.4.17
Asterisk Open Source=1.4.18
Asterisk Open Source=1.4.18.1
Asterisk Open Source=1.4.19
Asterisk Open Source=1.4.19-rc-2
Asterisk Open Source=1.4.19-rc1
Asterisk Open Source=1.4.19-rc2
Asterisk Open Source=1.4.19-rc3
Asterisk Open Source=1.4.19-rc4
Asterisk Open Source=1.4.19.1
Asterisk Open Source=1.4.19.2
Asterisk Open Source=1.4.20
Asterisk Open Source=1.4.20-rc1
Asterisk Open Source=1.4.20-rc2
Asterisk Open Source=1.4.20-rc3
Asterisk Open Source=1.4.21
Asterisk Open Source=1.4.21-rc1
Asterisk Open Source=1.4.21-rc2
Asterisk Open Source=1.4.21.1
Asterisk Open Source=1.4.21.2
Asterisk Open Source=1.4.22
Asterisk Open Source=1.4.22-rc3
Asterisk Open Source=1.4.22-rc4
Asterisk Open Source=1.4.22.1
Asterisk Open Source=1.4.22.2
Asterisk Open Source=1.4.23
Asterisk Open Source=1.4.23-rc1
Asterisk Open Source=1.4.23-rc2
Asterisk Open Source=1.4.23-rc3
Asterisk Open Source=1.4beta
Asterisk Open Source=1.6.0-beta1
Asterisk Open Source=1.6.0-beta2
Asterisk Open Source=1.6.0-beta3
Asterisk Open Source=1.6.0-beta4
Asterisk Open Source=1.6.0-beta5
Asterisk Open Source=1.6.0-beta7
Asterisk Open Source=1.6.0-beta7.1
Asterisk Open Source=1.6.0-beta8
Asterisk Open Source=1.6.0-beta9
Asterisk Open Source=1.6.0-rc4
Asterisk Open Source=1.6.0-rc5
Asterisk Open Source=1.6.0-rc6
Asterisk Open Source=1.6.0.1
Asterisk Open Source=1.6.0.2
Asterisk Open Source=1.6.0.3
Asterisk Open Source=1.6.0.3-rc1
Asterisk Open Source=1.6.1
Asterisk Open Source=1.6.1.0-rc1
Asterisk Open Source=1.6.1.0-rc2
Asterisk Open Source=1.6.1.4
Asterisk Open Source=1.6.1.5
Asterisk Opensource=1.4.23.2
Asterisk Opensource=1.4.24
Asterisk Opensource=1.4.24.1
Asterisk Opensource=1.4.26
Asterisk Opensource=1.4.26.1
Asterisk Appliance s800i=1.3
Asterisk Appliance s800i=1.3.0.2
Sangoma Asterisk=1.6.1
Sangoma Asterisk=1.6.1.4

Event History

Sep 8, 2009
CVE Published
via MITRE·06:00 PM
Data Sourced
via MITRE·06:00 PM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2009-2346?

CVE-2009-2346 has a moderate severity level due to the potential for remote code execution.

2

How do I fix CVE-2009-2346?

To fix CVE-2009-2346, upgrade Asterisk to versions 1.2.35, 1.4.26.2, 1.6.0.15, or 1.6.1.6 or higher.

3

Which Asterisk versions are affected by CVE-2009-2346?

Asterisk versions 1.2.x before 1.2.35, 1.4.x before 1.4.26.2, and 1.6.0.x before 1.6.0.15 are affected.

4

What type of vulnerability is CVE-2009-2346?

CVE-2009-2346 is a vulnerability in the IAX2 protocol implementation.

5

Is there a workaround for CVE-2009-2346?

While upgrading is the best solution, reducing exposure by securing network access to the Asterisk service may act as a temporary workaround.

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