CVE-2011-1147: Buffer Overflow

Published Mar 15, 2011
·
Updated

Multiple stack-based and heap-based buffer overflows in the (1) decodeopentype and (2) udptlrxpacket functions in main/udptl.c in Asterisk Open Source 1.4.x before 1.4.39.2, 1.6.1.x before 1.6.1.22, 1.6.2.x before 1.6.2.16.2, and 1.8 before 1.8.2.4; Business Edition C.x.x before C.3.6.3; AsteriskNOW 1.5; and s800i (Asterisk Appliance), when T.38 support is enabled, allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted UDPTL packet.

Affected Software

203 affected components
Digium Asterisk=1.4.37-rc1
Digium Asterisk=1.4.26.3
Digium Asterisk=1.4.22-rc3
Digium Asterisk=1.4.27-rc2
Digium Asterisk=1.4.36-rc1
Digium Asterisk=1.4.26-rc4
Digium Asterisk=1.4.28
Digium Asterisk=1.4.27-rc1
Digium Asterisk=1.4.27.1
Digium Asterisk=1.4.26-rc5
Digium Asterisk=1.4.0-beta4
Digium Asterisk=1.4.0-beta2
Digium Asterisk=1.4.35-rc1
Digium Asterisk=1.4.26.2
Digium Asterisk=1.4.19.2
Digium Asterisk=1.4.26.1
Digium Asterisk=1.4.20-rc1
Digium Asterisk=1.4.16
Digium Asterisk=1.4.3
Digium Asterisk=1.4.27-rc3
Digium Asterisk=1.4.19.1
Digium Asterisk=1.4.30
Digium Asterisk=1.4.38-rc1
Digium Asterisk=1.4.38
Digium Asterisk=1.4.33
Digium Asterisk=1.4.23-rc4
Digium Asterisk=1.4.22
Digium Asterisk=1.4.0
Digium Asterisk=1.4.32
Digium Asterisk=1.4.31-rc2
Digium Asterisk=1.4.22.2
Digium Asterisk=1.4.26-rc3
Digium Asterisk=1.4.33-rc1
Digium Asterisk=1.4.20
Digium Asterisk=1.4.39
Digium Asterisk=1.4.22.1
Digium Asterisk=1.4.12.1
Digium Asterisk=1.4.2
Digium Asterisk=1.4.19
Digium Asterisk=1.4.29
Digium Asterisk=1.4.20-rc3
Digium Asterisk=1.4.18
Digium Asterisk=1.4.34
Digium Asterisk=1.4.21-rc2
Digium Asterisk=1.4.22-rc1
Digium Asterisk=1.4.10
Digium Asterisk=1.4.35
Digium Asterisk=1.4.24.1
Digium Asterisk=1.4.10.1
Digium Asterisk=1.4.16.1
Digium Asterisk=1.4.19-rc4
Digium Asterisk=1.4.31
Digium Asterisk=1.4.33.1
Digium Asterisk=1.4.25-rc1
Digium Asterisk=1.4.25
Digium Asterisk=1.4.11
Digium Asterisk=1.4.23
Digium Asterisk=1.4.39.1
Digium Asterisk=1.4.26-rc2
Digium Asterisk=1.4.29-rc1
Digium Asterisk=1.4.22-rc2
Digium Asterisk=1.4.15
Digium Asterisk=1.4.34-rc2
Digium Asterisk=1.4.31-rc1
Digium Asterisk=1.4.28-rc1
Digium Asterisk=1.4.19-rc3
Digium Asterisk=1.4.23-rc1
Digium Asterisk=1.4.27
Digium Asterisk=1.4.25.1
Digium Asterisk=1.4.34-rc1
Digium Asterisk=1.4.21.1
Digium Asterisk=1.4.19-rc2
Digium Asterisk=1.4.12
Digium Asterisk=1.4.37
Digium Asterisk=1.4.20-rc2
Digium Asterisk=1.4.19-rc1
Digium Asterisk=1.4.13
Digium Asterisk=1.4.21.2
Digium Asterisk=1.4.27-rc4
Digium Asterisk=1.4.33-rc2
Digium Asterisk=1.4.17
Digium Asterisk=1.4.29.1
Digium Asterisk=1.4.23-rc2
Digium Asterisk=1.4.22-rc4
Digium Asterisk=1.4.22-rc5
Digium Asterisk=1.4.21-rc1
Digium Asterisk=1.4.26-rc1
Digium Asterisk=1.4.26-rc6
Digium Asterisk=1.4.1
Digium Asterisk=1.4.32-rc1
Digium Asterisk=1.4.39-rc1
Digium Asterisk=1.4.14
Digium Asterisk=1.4.20.1
Digium Asterisk=1.4.24
Digium Asterisk=1.4.0-beta1
Digium Asterisk=1.4.24-rc1
Digium Asterisk=1.4.26
Digium Asterisk=1.4.16.2
Digium Asterisk=1.4.23.2
Digium Asterisk=1.4.27-rc5
Digium Asterisk=1.4.30-rc2
Digium Asterisk=1.4.23.1
Digium Asterisk=1.4.23-rc3
Digium Asterisk=1.4.30-rc3
Digium Asterisk=1.4.36
Digium Asterisk=1.4.0-beta3
Digium Asterisk=1.4.21
Digium Asterisk=1.6.2.0-rc3
Digium Asterisk=1.6.2.0-rc2
Digium Asterisk=1.6.2.1
Digium Asterisk=1.6.2.0-rc4
Digium Asterisk=1.6.2.4
Digium Asterisk=1.6.2.6
Digium Asterisk=1.6.2.0-rc5
Digium Asterisk=1.6.2.0-rc7
Digium Asterisk=1.6.2.16-rc1
Digium Asterisk=1.6.2.1-rc1
Digium Asterisk=1.6.2.16
Digium Asterisk=1.6.2.15-rc1
Digium Asterisk=1.6.2.6-rc1
Digium Asterisk=1.6.2.2
Digium Asterisk=1.6.2.0-rc8
Digium Asterisk=1.6.2.3-rc2
Digium Asterisk=1.6.2.16.1
Digium Asterisk=1.6.2.0
Digium Asterisk=1.6.2.5
Digium Asterisk=1.6.2.0-rc6
Digium Asterisk=1.6.2.6-rc2
Digium Asterisk=1.8.0-beta2
Digium Asterisk=1.8.1
Digium Asterisk=1.8.1.2
Digium Asterisk=1.8.0-beta4
Digium Asterisk=1.8.0-rc5
Digium Asterisk=1.8.0-beta3
Digium Asterisk=1.8.0-beta5
Digium Asterisk=1.8.0-rc2
Digium Asterisk=1.8.2.3
Digium Asterisk=1.8.2.1
Digium Asterisk=1.8.1-rc1
Digium Asterisk=1.8.0
Digium Asterisk=1.8.0-rc3
Digium Asterisk=1.8.1.1
Digium Asterisk=1.8.2
Digium Asterisk=1.8.2.2
Digium Asterisk=1.8.0-beta1
Digium Asterisk=1.8.0-rc4
Digium Asterisk=c.3.1.0
Digium Asterisk=c.1.8.1
Digium Asterisk=c.2.3
Digium Asterisk=c.3.6.2
Digium Asterisk=c.3.1.1
Digium Asterisk=c.3.2.2
Digium Asterisk=c.1.0-beta7
Digium Asterisk=c.1.8.0
Digium Asterisk=c.1.6.2
Digium Asterisk=c.3.0
Digium Asterisk=c.3.2.3
Digium Asterisk=c.1.6.1
Digium Asterisk=c.1.0-beta8
Digium Asterisk=c.1.6
Digium Asterisk=c.3.3.2
Digium s800i
Digium AsteriskNOW=1.5
Digium Asterisk=1.6.1.0-rc4
Digium Asterisk=1.6.1.8
Digium Asterisk=1.6.1.7-rc1
Digium Asterisk=1.6.1.5-rc1
Digium Asterisk=1.6.1.12
Digium Asterisk=1.6.1.0-rc5
Digium Asterisk=1.6.1.3-rc1
Digium Asterisk=1.6.1.15-rc2
Digium Asterisk=1.6.1.18-rc1
Digium Asterisk=1.6.1.2
Digium Asterisk=1.6.1.19-rc2
Digium Asterisk=1.6.1.6
Digium Asterisk=1.6.1.5
Digium Asterisk=1.6.1.20-rc1
Digium Asterisk=1.6.1.0
Digium Asterisk=1.6.1.18-rc2
Digium Asterisk=1.6.1.14
Digium Asterisk=1.6.1.20-rc2
Digium Asterisk=1.6.1.10-rc2
Digium Asterisk=1.6.1.19
Digium Asterisk=1.6.1.12-rc1
Digium Asterisk=1.6.1.11
Digium Asterisk=1.6.1.10-rc3
Digium Asterisk=1.6.1.20
Digium Asterisk=1.6.1.9
Digium Asterisk=1.6.1.19-rc3
Digium Asterisk=1.6.1.18
Digium Asterisk=1.6.1.17
Digium Asterisk=1.6.1.4
Digium Asterisk=1.6.1.10
Digium Asterisk=1.6.1.16
Digium Asterisk=1.6.1.7-rc2
Digium Asterisk=1.6.1.0-rc2
Digium Asterisk=1.6.1.21
Digium Asterisk=1.6.1.0-rc3
Digium Asterisk=1.6.1.10-rc1
Digium Asterisk=1.6.1.19-rc1
Digium Asterisk=1.6.1.13
Digium Asterisk=1.6.1.13-rc1
Digium Asterisk=1.6.1.1

Remediation

Patch Available

http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055030.html

Patch Available

http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055421.html

Patch Available

http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055634.html

Event History

Mar 15, 2011
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2011-1147?

CVE-2011-1147 has a medium severity level due to the potential for remote code execution through buffer overflows.

2

How do I fix CVE-2011-1147?

To fix CVE-2011-1147, upgrade to Asterisk versions 1.4.39.2, 1.6.1.22, 1.6.2.16.2, or 1.8.2.4 or later.

3

Which versions of Asterisk are affected by CVE-2011-1147?

Asterisk versions before 1.4.39.2, 1.6.1.22, 1.6.2.16.2, and 1.8.2.4 are affected by CVE-2011-1147.

4

What types of vulnerabilities does CVE-2011-1147 involve?

CVE-2011-1147 involves multiple stack-based and heap-based buffer overflow vulnerabilities.

5

What are the potential impacts of CVE-2011-1147?

The potential impacts of CVE-2011-1147 include remote code execution and denial of service from exploiting the buffer overflows.

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