Asterisk 'externalIVR' Application Shell Command Execution Security Bypass Vulnerability

BID:55351

Info

Asterisk 'externalIVR' Application Shell Command Execution Security Bypass Vulnerability

Bugtraq ID: 55351
Class: Access Validation Error
CVE: CVE-2012-2186
Remote: Yes
Local: No
Published: Aug 30 2012 12:00AM
Updated: Apr 13 2015 10:13PM
Credit: Zubair Ashraf of IBM X-Force Research
Vulnerable: Gentoo Linux
Debian Linux 6.0 sparc
Debian Linux 6.0 s/390
Debian Linux 6.0 powerpc
Debian Linux 6.0 mips
Debian Linux 6.0 ia-64
Debian Linux 6.0 ia-32
Debian Linux 6.0 arm
Debian Linux 6.0 amd64
Asterisk Certified Asterisk 1.8.11
Asterisk Asterisk Open Source 10.7
Asterisk Asterisk Open Source 1.8.3.1
Asterisk Asterisk Open Source 1.6.2.17.1
Asterisk Asterisk Open Source 1.6.1.23
Asterisk Asterisk Digiumphones 10.5.2-digiumphones
Asterisk Asterisk Digiumphones 10.5.1-digiumphones
Asterisk Asterisk Business Edition C.3.7.5
Asterisk Asterisk Business Edition C.3.7.4
Asterisk Asterisk Business Edition C.3.7.3
Asterisk Asterisk Business Edition C.3.6.4
Asterisk Asterisk Business Edition C.3.6.3
Asterisk Asterisk Business Edition C.3.6.2
Asterisk Asterisk Business Edition C.3.3.2
Asterisk Asterisk Business Edition C.3.2 3
Asterisk Asterisk Business Edition C.3.2 2
Asterisk Asterisk Business Edition C.3.1.0
Asterisk Asterisk Business Edition C.3.1 1
Not Vulnerable: Asterisk Certified Asterisk 1.8.11-cert6
Asterisk Asterisk Open Source 10.7.1
Asterisk Asterisk Open Source 1.8.15.1
Asterisk Asterisk Digiumphones 10.7.1-digiumphones
Asterisk Asterisk Business Edition C.3.7.6

Discussion

Asterisk 'externalIVR' Application Shell Command Execution Security Bypass Vulnerability

Asterisk is prone to a security-bypass vulnerability that affects the manager interface.

An attacker can exploit this issue to bypass certain security restrictions and execute shell commands within the context of the affected application.

Exploit / POC

Asterisk 'externalIVR' Application Shell Command Execution Security Bypass Vulnerability

Attackers can use readily available utilities to exploit this issue.

Solution / Fix

Asterisk 'externalIVR' Application Shell Command Execution Security Bypass Vulnerability

Solution:
Updates are available. Please see the references for more information.

References

Asterisk 'externalIVR' Application Shell Command Execution Security Bypass Vulnerability

References:

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