CVE-2012-2416: Buffer Overflow
Published Apr 30, 2012
·Updated
chansip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.11.1 and 10.x before 10.3.1 and Asterisk Business Edition C.3.x before C.3.7.4, when the trustrpid option is enabled, allows remote authenticated users to cause a denial of service (daemon crash) by sending a SIP UPDATE message that triggers a connected-line update attempt without an associated channel.
Affected Software
153 affected components
Asterisk Open Source=1.6.2.0
Asterisk Open Source=1.6.2.0-rc2
Asterisk Open Source=1.6.2.0-rc3
Asterisk Open Source=1.6.2.0-rc4
Asterisk Open Source=1.6.2.0-rc5
Asterisk Open Source=1.6.2.0-rc6
Asterisk Open Source=1.6.2.0-rc7
Asterisk Open Source=1.6.2.0-rc8
Asterisk Open Source=1.6.2.1
Asterisk Open Source=1.6.2.1-rc1
Asterisk Open Source=1.6.2.2
Asterisk Open Source=1.6.2.3-rc2
Asterisk Open Source=1.6.2.4
Asterisk Open Source=1.6.2.5
Asterisk Open Source=1.6.2.6
Asterisk Open Source=1.6.2.6-rc1
Asterisk Open Source=1.6.2.6-rc2
Asterisk Open Source=1.6.2.7
Asterisk Open Source=1.6.2.7-rc1
Asterisk Open Source=1.6.2.7-rc2
Asterisk Open Source=1.6.2.7-rc3
Asterisk Open Source=1.6.2.8
Asterisk Open Source=1.6.2.8-rc1
Asterisk Open Source=1.6.2.9
Asterisk Open Source=1.6.2.9-rc1
Asterisk Open Source=1.6.2.9-rc2
Asterisk Open Source=1.6.2.9-rc3
Asterisk Open Source=1.6.2.10
Asterisk Open Source=1.6.2.10-rc1
Asterisk Open Source=1.6.2.10-rc2
Asterisk Open Source=1.6.2.11
Asterisk Open Source=1.6.2.11-rc1
Asterisk Open Source=1.6.2.11-rc2
Asterisk Open Source=1.6.2.12
Asterisk Open Source=1.6.2.12-rc1
Asterisk Open Source=1.6.2.13
Asterisk Open Source=1.6.2.14
Asterisk Open Source=1.6.2.14-rc1
Asterisk Open Source=1.6.2.15
Asterisk Open Source=1.6.2.15-rc1
Asterisk Open Source=1.6.2.15.1
Asterisk Open Source=1.6.2.16
Asterisk Open Source=1.6.2.16-rc1
Asterisk Open Source=1.6.2.16.1
Asterisk Open Source=1.6.2.16.2
Asterisk Open Source=1.6.2.17
Asterisk Open Source=1.6.2.17-rc1
Asterisk Open Source=1.6.2.17-rc2
Asterisk Open Source=1.6.2.17-rc3
Asterisk Open Source=1.6.2.17.1
Asterisk Open Source=1.6.2.17.2
Asterisk Open Source=1.6.2.17.3
Asterisk Open Source=1.6.2.18
Asterisk Open Source=1.6.2.18-rc1
Asterisk Open Source=1.6.2.18.1
Asterisk Open Source=1.6.2.18.2
Asterisk Open Source=1.6.2.19
Asterisk Open Source=1.6.2.19-rc1
Asterisk Open Source=1.6.2.20
Asterisk Open Source=1.6.2.21
Asterisk Open Source=1.6.2.22
Asterisk Open Source=1.6.2.23
Asterisk Open Source=1.8.0
Asterisk Open Source=1.8.0-beta1
Asterisk Open Source=1.8.0-beta2
Asterisk Open Source=1.8.0-beta3
Asterisk Open Source=1.8.0-beta4
Asterisk Open Source=1.8.0-beta5
Asterisk Open Source=1.8.0-rc2
Asterisk Open Source=1.8.0-rc3
Asterisk Open Source=1.8.0-rc4
Asterisk Open Source=1.8.0-rc5
Asterisk Open Source=1.8.1
Asterisk Open Source=1.8.1-rc1
Asterisk Open Source=1.8.1.1
Asterisk Open Source=1.8.1.2
Asterisk Open Source=1.8.2
Asterisk Open Source=1.8.2-rc1
Asterisk Open Source=1.8.2.1
Asterisk Open Source=1.8.2.2
Asterisk Open Source=1.8.2.3
Asterisk Open Source=1.8.2.4
Asterisk Open Source=1.8.3
Asterisk Open Source=1.8.3-rc1
Asterisk Open Source=1.8.3-rc2
Asterisk Open Source=1.8.3-rc3
Asterisk Open Source=1.8.3.1
Asterisk Open Source=1.8.3.2
Asterisk Open Source=1.8.3.3
Asterisk Open Source=1.8.4
Asterisk Open Source=1.8.4-rc1
Asterisk Open Source=1.8.4-rc2
Asterisk Open Source=1.8.4-rc3
Asterisk Open Source=1.8.4.1
Asterisk Open Source=1.8.4.2
Asterisk Open Source=1.8.4.3
Asterisk Open Source=1.8.4.4
Asterisk Open Source=1.8.5-rc1
Asterisk Open Source=1.8.5.0
Asterisk Open Source=1.8.6.0
Asterisk Open Source=1.8.6.0-rc1
Asterisk Open Source=1.8.6.0-rc2
Asterisk Open Source=1.8.6.0-rc3
Asterisk Open Source=1.8.7.0
Asterisk Open Source=1.8.7.0-rc1
Asterisk Open Source=1.8.7.0-rc2
Asterisk Open Source=1.8.7.1
Asterisk Open Source=1.8.7.2
Asterisk Open Source=1.8.8.0
Asterisk Open Source=1.8.8.0-rc1
Asterisk Open Source=1.8.8.0-rc2
Asterisk Open Source=1.8.8.0-rc3
Asterisk Open Source=1.8.8.0-rc4
Asterisk Open Source=1.8.8.0-rc5
Asterisk Open Source=1.8.8.1
Asterisk Open Source=1.8.8.2
Asterisk Open Source=1.8.9.0
Asterisk Open Source=1.8.9.0-rc1
Asterisk Open Source=1.8.9.0-rc2
Asterisk Open Source=1.8.9.0-rc3
Asterisk Open Source=1.8.9.1
Asterisk Open Source=1.8.9.2
Asterisk Open Source=1.8.9.3
Asterisk Open Source=1.8.10.0
Asterisk Open Source=1.8.10.0-rc1
Asterisk Open Source=1.8.10.0-rc2
Asterisk Open Source=1.8.10.0-rc3
Asterisk Open Source=1.8.10.0-rc4
Asterisk Open Source=1.8.10.1
Asterisk Open Source=1.8.11.0-rc2
Asterisk Open Source=1.8.11.0-rc3
Asterisk Open Source=10.0.0
Asterisk Open Source=10.0.0-beta1
Asterisk Open Source=10.0.0-beta2
Asterisk Open Source=10.0.0-rc1
Asterisk Open Source=10.0.0-rc2
Asterisk Open Source=10.0.0-rc3
Asterisk Open Source=10.0.1
Asterisk Open Source=10.1.0
Asterisk Open Source=10.1.0-rc1
Asterisk Open Source=10.1.0-rc2
Asterisk Open Source=10.1.1
Asterisk Open Source=10.1.2
Asterisk Open Source=10.1.3
Asterisk Open Source=10.2.0
Asterisk Open Source=10.2.0-rc1
Asterisk Open Source=10.2.0-rc2
Asterisk Open Source=10.2.0-rc3
Asterisk Open Source=10.2.0-rc4
Asterisk Open Source=10.2.1
Asterisk Open Source=10.3.0
Asterisk Open Source=10.3.0-rc2
Asterisk Open Source=10.3.0-rc3
Remediation
Patch Available
Event History
Apr 30, 2012
CVE Published
via MITRE·08:00 PM
Data Sourced
via MITRE·08:00 PM
Description
Frequently Asked Questions
1
What is the severity of CVE-2012-2416?
The severity of CVE-2012-2416 is classified as high due to the potential for remote denial of service attacks.
2
How do I fix CVE-2012-2416?
To fix CVE-2012-2416, update Asterisk to versions 1.8.11.1, 10.3.1, or later.
3
What are the affected versions for CVE-2012-2416?
CVE-2012-2416 affects Asterisk Open Source versions 1.8.x before 1.8.11.1 and 10.x before 10.3.1.
4
Can CVE-2012-2416 be exploited by unauthenticated users?
No, CVE-2012-2416 can only be exploited by remote authenticated users.
5
What is the impact of CVE-2012-2416?
CVE-2012-2416 can cause a denial of service by crashing the Asterisk daemon.