CVE-2009-4055: Medium severity asterisk vulnerability

Published Dec 2, 2009
·
Updated

rtp.c in Asterisk Open Source 1.2.x before 1.2.37, 1.4.x before 1.4.27.1, 1.6.0.x before 1.6.0.19, and 1.6.1.x before 1.6.1.11; Business Edition B.x.x before B.2.5.13, C.2.x.x before C.2.4.6, and C.3.x.x before C.3.2.3; and s800i 1.3.x before 1.3.0.6 allows remote attackers to cause a denial of service (daemon crash) via an RTP comfort noise payload with a long data length.

Affected Software

220 affected components
Digium Asterisk=1.2.0
Digium Asterisk=1.2.0-beta1
Digium Asterisk=1.2.0-beta2
Digium Asterisk=1.2.0-rc1
Digium Asterisk=1.2.0-rc2
Digium Asterisk=1.2.1
Digium Asterisk=1.2.2
Digium Asterisk=1.2.2-netsec
Digium Asterisk=1.2.3
Digium Asterisk=1.2.3-netsec
Digium Asterisk=1.2.10
Digium Asterisk=1.2.10-netsec
Digium Asterisk=1.2.11
Digium Asterisk=1.2.11-netsec
Digium Asterisk=1.2.12
Digium Asterisk=1.2.12-netsec
Digium Asterisk=1.2.12.1
Digium Asterisk=1.2.12.1-netsec
Digium Asterisk=1.2.13
Digium Asterisk=1.2.13-netsec
Digium Asterisk=1.2.14
Digium Asterisk=1.2.15
Digium Asterisk=1.2.15-netsec
Digium Asterisk=1.2.16
Digium Asterisk=1.2.16-netsec
Digium Asterisk=1.2.17
Digium Asterisk=1.2.17-netsec
Digium Asterisk=1.2.18
Digium Asterisk=1.2.18-netsec
Digium Asterisk=1.2.19
Digium Asterisk=1.2.19-netsec
Digium Asterisk=1.2.20
Digium Asterisk=1.2.20-netsec
Digium Asterisk=1.2.21
Digium Asterisk=1.2.21-netsec
Digium Asterisk=1.2.21.1
Digium Asterisk=1.2.21.1-netsec
Digium Asterisk=1.2.22
Digium Asterisk=1.2.22-netsec
Digium Asterisk=1.2.23
Digium Asterisk=1.2.23-netsec
Digium Asterisk=1.2.24
Digium Asterisk=1.2.24-netsec
Digium Asterisk=1.2.25
Digium Asterisk=1.2.25-netsec
Digium Asterisk=1.2.26
Digium Asterisk=1.2.26-netsec
Digium Asterisk=1.2.26.1
Digium Asterisk=1.2.26.1-netsec
Digium Asterisk=1.2.26.2
Digium Asterisk=1.2.26.2-netsec
Digium Asterisk=1.2.27
Digium Asterisk=1.2.28
Digium Asterisk=1.2.28.1
Digium Asterisk=1.2.29
Digium Asterisk=1.2.30
Digium Asterisk=1.2.30.1
Digium Asterisk=1.2.30.2
Digium Asterisk=1.2.30.3
Digium Asterisk=1.2.30.4
Digium Asterisk=1.2.31
Digium Asterisk=1.2.31.1
Digium Asterisk=1.2.32
Digium Asterisk=1.2.33
Digium Asterisk=1.2.34
Digium Asterisk=1.2.35
Digium Asterisk=1.2.36
Digium Asterisk=1.4.0
Digium Asterisk=1.4.0-beta1
Digium Asterisk=1.4.0-beta2
Digium Asterisk=1.4.0-beta3
Digium Asterisk=1.4.0-beta4
Digium Asterisk=1.4.1
Digium Asterisk=1.4.2
Digium Asterisk=1.4.3
Digium Asterisk=1.4.4
Digium Asterisk=1.4.5
Digium Asterisk=1.4.6
Digium Asterisk=1.4.7
Digium Asterisk=1.4.7.1
Digium Asterisk=1.4.8
Digium Asterisk=1.4.9
Digium Asterisk=1.4.10
Digium Asterisk=1.4.10.1
Digium Asterisk=1.4.11
Digium Asterisk=1.4.12
Digium Asterisk=1.4.12.1
Digium Asterisk=1.4.13
Digium Asterisk=1.4.14
Digium Asterisk=1.4.15
Digium Asterisk=1.4.16
Digium Asterisk=1.4.16.1
Digium Asterisk=1.4.16.2
Digium Asterisk=1.4.17
Digium Asterisk=1.4.18
Digium Asterisk=1.4.19
Digium Asterisk=1.4.19-rc1
Digium Asterisk=1.4.19-rc2
Digium Asterisk=1.4.19-rc3
Digium Asterisk=1.4.19-rc4
Digium Asterisk=1.4.19.1
Digium Asterisk=1.4.19.2
Digium Asterisk=1.4.20
Digium Asterisk=1.4.20-rc1
Digium Asterisk=1.4.20-rc2
Digium Asterisk=1.4.20-rc3
Digium Asterisk=1.4.20.1
Digium Asterisk=1.4.21
Digium Asterisk=1.4.21-rc1
Digium Asterisk=1.4.21-rc2
Digium Asterisk=1.4.21.1
Digium Asterisk=1.4.21.2
Digium Asterisk=1.4.22
Digium Asterisk=1.4.22-rc1
Digium Asterisk=1.4.22-rc2
Digium Asterisk=1.4.22-rc3
Digium Asterisk=1.4.22-rc4
Digium Asterisk=1.4.22-rc5
Digium Asterisk=1.4.22.1
Digium Asterisk=1.4.22.2
Digium Asterisk=1.4.23
Digium Asterisk=1.4.23-rc1
Digium Asterisk=1.4.23-rc2
Digium Asterisk=1.4.23-rc3
Digium Asterisk=1.4.23-rc4
Digium Asterisk=1.4.23.1
Digium Asterisk=1.4.23.2
Digium Asterisk=1.4.24
Digium Asterisk=1.4.24-rc1
Digium Asterisk=1.4.24.1
Digium Asterisk=1.4.25
Digium Asterisk=1.4.25-rc1
Digium Asterisk=1.4.25.1
Digium Asterisk=1.4.26
Digium Asterisk=1.4.26-rc1
Digium Asterisk=1.4.26-rc2
Digium Asterisk=1.4.26-rc3
Digium Asterisk=1.4.26-rc4
Digium Asterisk=1.4.26-rc5
Digium Asterisk=1.4.26-rc6
Digium Asterisk=1.4.26.1
Digium Asterisk=1.4.26.2
Digium Asterisk=1.4.27
Digium Asterisk=1.4.27-rc5
Digium Asterisk=1.6.0
Digium Asterisk=1.6.0-beta1
Digium Asterisk=1.6.0-beta2
Digium Asterisk=1.6.0-beta3
Digium Asterisk=1.6.0-beta4
Digium Asterisk=1.6.0-beta5
Digium Asterisk=1.6.0-beta6
Digium Asterisk=1.6.0-beta7
Digium Asterisk=1.6.0-beta7.1
Digium Asterisk=1.6.0-beta8
Digium Asterisk=1.6.0-beta9
Digium Asterisk=1.6.0-rc4
Digium Asterisk=1.6.0-rc5
Digium Asterisk=1.6.0-rc6
Digium Asterisk=1.6.0.1
Digium Asterisk=1.6.0.2
Digium Asterisk=1.6.0.3
Digium Asterisk=1.6.0.3-rc1
Digium Asterisk=1.6.0.4-rc1
Digium Asterisk=1.6.0.5
Digium Asterisk=1.6.0.6
Digium Asterisk=1.6.0.7
Digium Asterisk=1.6.0.8
Digium Asterisk=1.6.0.9
Digium Asterisk=1.6.0.10
Digium Asterisk=1.6.0.11
Digium Asterisk=1.6.0.11-rc1
Digium Asterisk=1.6.0.11-rc2
Digium Asterisk=1.6.0.14
Digium Asterisk=1.6.0.14-rc1
Digium Asterisk=1.6.0.15
Digium Asterisk=1.6.0.16
Digium Asterisk=1.6.0.16-rc1
Digium Asterisk=1.6.0.16-rc2
Digium Asterisk=1.6.0.18
Digium Asterisk=1.6.1.0
Digium Asterisk=1.6.1.0-rc2
Digium Asterisk=1.6.1.0-rc3
Digium Asterisk=1.6.1.0-rc4
Digium Asterisk=1.6.1.0-rc5
Digium Asterisk=1.6.1.1
Digium Asterisk=1.6.1.2
Digium Asterisk=1.6.1.3-rc1
Digium Asterisk=1.6.1.4
Digium Asterisk=1.6.1.5
Digium Asterisk=1.6.1.5-rc1
Digium Asterisk=1.6.1.6
Digium Asterisk=1.6.1.7-rc1
Digium Asterisk=1.6.1.7-rc2
Digium Asterisk=1.6.1.8
Digium Asterisk=1.6.1.10
Digium Asterisk=1.6.1.10-rc1
Digium Asterisk=1.6.1.10-rc2
Digium Asterisk=1.6.1.10-rc3
Digium s800i=1.3.0
Digium s800i=1.3.0.2
Digium s800i=1.3.0.3
Digium s800i=1.3.0.4
Digium Asterisk=b
Digium Asterisk=b.1.3.2
Digium Asterisk=b.1.3.3
Digium Asterisk=b.2.2.0
Digium Asterisk=b.2.2.1
Digium Asterisk=b.2.3.1
Digium Asterisk=b.2.3.2
Digium Asterisk=b.2.3.3
Digium Asterisk=b.2.3.4
Digium Asterisk=b.2.3.5
Digium Asterisk=b.2.3.6
Digium Asterisk=b.2.5.0
Digium Asterisk=b.2.5.1
Digium Asterisk=b.2.5.2
Digium Asterisk=b.2.5.3
Digium Asterisk=c
Digium Asterisk=c.2.3
Digium Asterisk=c.3.0

Event History

Dec 2, 2009
CVE Published
via MITRE·11:00 AM
Data Sourced
via MITRE·11:00 AM
Description
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2009-4055?

CVE-2009-4055 is considered to have a moderate severity level due to its potential to cause a denial of service.

2

How do I fix CVE-2009-4055?

To fix CVE-2009-4055, update Asterisk to a version that is not affected, specifically to 1.2.37, 1.4.27.1, 1.6.0.19, or 1.6.1.11 or later.

3

What versions of Asterisk are affected by CVE-2009-4055?

CVE-2009-4055 affects Asterisk Open Source versions prior to 1.2.37, 1.4.27.1, 1.6.0.19, and 1.6.1.11.

4

Who can be impacted by CVE-2009-4055?

Users running vulnerable versions of Asterisk can be impacted by this vulnerability, leading to potential service disruptions.

5

What type of attack does CVE-2009-4055 exploit?

CVE-2009-4055 exploits a vulnerability that allows remote attackers to cause a denial of service condition.

Company

Resources

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.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203