Asterisk SIP 'automon' NULL Pointer Dereference Denial Of Service Vulnerability
BID:50989
Info
Asterisk SIP 'automon' NULL Pointer Dereference Denial Of Service Vulnerability
| Bugtraq ID: | 50989 |
| Class: | Failure to Handle Exceptional Conditions |
| CVE: |
CVE-2011-4598 |
| Remote: | Yes |
| Local: | No |
| Published: | Dec 08 2011 12:00AM |
| Updated: | Apr 13 2015 10:16PM |
| Credit: | Terry Wilson |
| Vulnerable: |
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 Asterisk 1.8.4 2 Asterisk Asterisk 1.8.4 1 Asterisk Asterisk 1.8.2 4 Asterisk Asterisk 1.8.1 Asterisk Asterisk 1.8 Asterisk Asterisk 1.6.2 16.2 Asterisk Asterisk 1.6.2 .5 Asterisk Asterisk 1.6.2 Asterisk Asterisk 1.8.7.1 Asterisk Asterisk 1.8.4.4 Asterisk Asterisk 1.8.4.3 Asterisk Asterisk 1.8.3.3 Asterisk Asterisk 1.8.3.1 Asterisk Asterisk 1.8.2.1 Asterisk Asterisk 1.8.1.2 Asterisk Asterisk 1.8 Asterisk Asterisk 1.6.2.20 Asterisk Asterisk 1.6.2.2 Asterisk Asterisk 1.6.2.18.2 Asterisk Asterisk 1.6.2.18.1 Asterisk Asterisk 1.6.2.17.3 Asterisk Asterisk 1.6.2.17.1 Asterisk Asterisk 1.6.2.16.1 Asterisk Asterisk 1.6.2.15.1 |
| Not Vulnerable: |
Asterisk Asterisk 1.8.7.2 Asterisk Asterisk 1.6.2.21 |
Discussion
Asterisk SIP 'automon' NULL Pointer Dereference Denial Of Service Vulnerability
Asterisk is prone to a remote denial-of-service vulnerability caused by a NULL-pointer dereference.
Attackers can exploit this issue to cause the server to dereference an invalid memory location, resulting in a denial-of-service condition.
Asterisk is prone to a remote denial-of-service vulnerability caused by a NULL-pointer dereference.
Attackers can exploit this issue to cause the server to dereference an invalid memory location, resulting in a denial-of-service condition.
Exploit / POC
Asterisk SIP 'automon' NULL Pointer Dereference Denial Of Service Vulnerability
Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].
Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].
Solution / Fix
Asterisk SIP 'automon' NULL Pointer Dereference Denial Of Service Vulnerability
Solution:
Updates are available. Please see the references for more information.
Solution:
Updates are available. Please see the references for more information.
References
Asterisk SIP 'automon' NULL Pointer Dereference Denial Of Service Vulnerability
References:
References:
- Asterisk Homepage (Asterisk)
- AST-2011-014: Remote crash possibility with SIP and the �??automon�?� feature enable (Full Disclosure)