Title: Asterisk ManagerInterface Manager.Conf Remote Denial of Service Vulnerability
Severity: MODERATE
Description:
Asterisk is a private branch exchange (PBX) application available for Linux, BSD, and Mac OS X platforms.
Asterisk is prone to a remote denial-of-service vulnerability because it fails to handle exceptional conditions. Specifically, if a manager user is configured in 'manager.conf' without a password, a connection will be established with the username and the blank password, resulting in a NULL-pointer dereference.
Exploiting this issue allows remote attackers to cause the application to crash, effectively denying service to legitimate users.
Affected Products:
- Asterisk Asterisk 0.1.7
- Asterisk Asterisk 0.1.8
- Asterisk Asterisk 0.1.9
- Asterisk Asterisk 0.1.9 -1
- Asterisk Asterisk 0.2.0
- Asterisk Asterisk 0.3.0
- Asterisk Asterisk 1.0.0
- Asterisk Asterisk 1.0.10
- Asterisk Asterisk 1.0.11
- Asterisk Asterisk 1.0.12
- Asterisk Asterisk 1.0.6
- Asterisk Asterisk 1.0.7
- Asterisk Asterisk 1.0.8
- Asterisk Asterisk 1.0.9
- Asterisk Asterisk 1.2.0 .0-beta1
- Asterisk Asterisk 1.2.0 .0-beta2
- Asterisk Asterisk 1.2.10
- Asterisk Asterisk 1.2.11
- Asterisk Asterisk 1.2.11
- Asterisk Asterisk 1.2.13
- Asterisk Asterisk 1.2.14
- Asterisk Asterisk 1.2.15
- Asterisk Asterisk 1.2.16
- Asterisk Asterisk 1.2.17
- Asterisk Asterisk 1.2.5
- Asterisk Asterisk 1.2.6
- Asterisk Asterisk 1.2.7
- Asterisk Asterisk 1.2.8
- Asterisk Asterisk 1.2.9
- Asterisk Asterisk 1.4 Beta
- Asterisk Asterisk 1.4.1
- Asterisk Asterisk 1.4.2
- Asterisk Asterisk Business Edition A
- Asterisk Asterisk Business Edition B.1.3.2
- Asterisk Asterisk Business Edition B.1.3.3
- Debian Linux 3.1.0
- Debian Linux 3.1.0 alpha
- Debian Linux 3.1.0 amd64
- Debian Linux 3.1.0 arm
- Debian Linux 3.1.0 hppa
- Debian Linux 3.1.0 ia-32
- Debian Linux 3.1.0 ia-64
- Debian Linux 3.1.0 m68k
- Debian Linux 3.1.0 mips
- Debian Linux 3.1.0 mipsel
- Debian Linux 3.1.0 ppc
- Debian Linux 3.1.0 s/390
- Debian Linux 3.1.0 sparc
- Debian Linux 4.0
- Debian Linux 4.0 alpha
- Debian Linux 4.0 amd64
- Debian Linux 4.0 arm
- Debian Linux 4.0 hppa
- Debian Linux 4.0 ia-32
- Debian Linux 4.0 ia-64
- Debian Linux 4.0 m68k
- Debian Linux 4.0 mips
- Debian Linux 4.0 mipsel
- Debian Linux 4.0 powerpc
- Debian Linux 4.0 s/390
- Debian Linux 4.0 sparc
- SuSE Linux 10.1
- SuSE openSUSE 10.2
References:
- Asterisk: Asterisk Homepage
- Asterisk: Asterisk Project Security Advisory - ASA-2007-012
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