Asterisk SIP Channel Driver Response Code Zero Remote Denial of Service Vulnerability

BID:23093

Info

Asterisk SIP Channel Driver Response Code Zero Remote Denial of Service Vulnerability

Bugtraq ID: 23093
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2007-1594
Remote: Yes
Local: No
Published: Mar 21 2007 12:00AM
Updated: Jun 07 2007 06:30PM
Credit: qwerty1979 is credited with the discovery of this vulnerability.
Vulnerable: SuSE Linux 10.1
Gentoo Linux
Asterisk AsteriskNow Beta 5
Asterisk Asterisk Business Edition B.1.3.2
Asterisk Asterisk Business Edition A
Asterisk Asterisk Appliance Developer Kit 0.4
Asterisk Asterisk 1.4.2
Asterisk Asterisk 1.4.1
Asterisk Asterisk 1.2.17
Asterisk Asterisk 1.2.16
Asterisk Asterisk 1.2.15
Asterisk Asterisk 1.2.14
Asterisk Asterisk 1.2.13
Asterisk Asterisk 1.2.11
Asterisk Asterisk 1.2.11
Asterisk Asterisk 1.2.10
Asterisk Asterisk 1.2.9
Asterisk Asterisk 1.2.8
Asterisk Asterisk 1.2.7
Asterisk Asterisk 1.2.6
Asterisk Asterisk 1.2.5
Asterisk Asterisk 1.2 .0-beta2
Asterisk Asterisk 1.2 .0-beta1
Asterisk Asterisk 1.0.12
Asterisk Asterisk 1.0.11
Asterisk Asterisk 1.0.10
Asterisk Asterisk 1.0.9
Asterisk Asterisk 1.0.8
Asterisk Asterisk 1.0.7
Asterisk Asterisk 1.0.6
Asterisk Asterisk 1.0
Asterisk Asterisk 0.9 .0
Asterisk Asterisk 0.7.2
Asterisk Asterisk 0.7.1
Asterisk Asterisk 0.7 .0
Asterisk Asterisk 0.4
Asterisk Asterisk 0.3
Asterisk Asterisk 0.2
Asterisk Asterisk 0.1.11
Asterisk Asterisk 0.1.9 -1
Asterisk Asterisk 0.1.9
Asterisk Asterisk 0.1.8
Asterisk Asterisk 0.1.7
Asterisk Asterisk 1.4 Beta
Not Vulnerable: Asterisk AsteriskNow Beta 6
Asterisk Asterisk Business Edition B.1.3.3
Asterisk Asterisk 1.4.3
Asterisk Asterisk 1.2.18

Discussion

Asterisk SIP Channel Driver Response Code Zero Remote Denial of Service Vulnerability

Asterisk is prone to a remote denial-of-service vulnerability because the application fails to properly handle certain SIP packets.

Exploiting this issue allows remote attackers to cause the application to crash, effectively denying service to legitimate users.

Asterisk versions prior to 1.2.18 and 1.4.3 are vulnerable to this issue.

Exploit / POC

Asterisk SIP Channel Driver Response Code Zero Remote Denial of Service Vulnerability

To exploit this issue, attackers may use readily available network utilities.

Solution / Fix

Asterisk SIP Channel Driver Response Code Zero Remote Denial of Service Vulnerability

Solution:
The vendor released an advisory and fixes to address this issue. Please see the references for more information.


Asterisk Asterisk 1.4 Beta

Asterisk Asterisk 1.2 .0-beta1

Asterisk Asterisk 1.2 .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 1.4.1

Asterisk Asterisk 1.4.2

References

Asterisk SIP Channel Driver Response Code Zero Remote Denial of Service Vulnerability

References:
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