7.8
CWE
119
Advisory Published
Updated

CVE-2009-2346: Buffer Overflow

First published: Tue Sep 08 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.

Credit: cve@mitre.org cve@mitre.org

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

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is the severity of CVE-2009-2346?

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

  • 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.

  • 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.

  • What type of vulnerability is CVE-2009-2346?

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

  • 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.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203