Asterisk SIP INVITE denial of service
| asterisk-sip-invite-dos (33068) |  Low Risk |
Description:
Asterisk could allow a remote attacker to cause a denial of service. A remote attacker could send a specially-crafted SIP INVITE message to cause a segmentation fault, resulting in a denial of service.
*CVSS:
| Base Score: | 5 |
| Access Vector: | Remote |
| Access Complexity: | Low |
| Authentication: | Not Required |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Complete |
| Temporal Score: | 3.9 |
| Exploitability: | Proof-Of-Concept |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
Remedy:
Upgrade to the latest version of Asterisk (1.4.2 or 1.2.17 or later), available from the Asterisk Web site. See References.
For Gentoo Linux:
Refer to GLSA 200704-01 for patch, upgrade, or suggested workaround information. See References.
For Debian/GNU Linux:
Refer to DSA-1358-1 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- Asterisk Web site: Asterisk- Downloads.
- BugTraq Mailing List, Wed Mar 21 2007 - 16:30:15 CDT : Two new DoS Vulnerabilities in Asterisk Fixed.
- Digium Issue Tracker ID 0009313: Asterisk segfaults upon receipt of a certain SIP packet (SIP Response code 0).
- Full-Disclosure Mailing List, Mon Mar 19 2007 - 13:00:14 CDT: Asterisk SDP DOS vulnerability.
- BID-23031: Asterisk SIP Invite Message Remote Denial of Service Vulnerability
- CVE-2007-1561: The channel driver in Asterisk before 1.2.17 and 1.4.x before 1.4.2 allows remote attackers to cause a denial of service (crash) via a SIP INVITE message with an SDP containing one valid and one invalid IP address.
- DSA-1358: asterisk -- several vulnerabilities
- GLSA-200704-01: Asterisk: Two SIP Denial of Service vulnerabilities
- OSVDB ID: 34479: Asterisk Malformed SIP INVITE Request DoS
- SA24564: Asterisk SIP INVITE Denial of Service Vulnerability
- SECTRACK ID: 1017794: Asterisk Error in Processing INVITE Messages Lets Remote Users Deny Service
- SUSE-SA:2007:034: Asterisk security update
- VUPEN/ADV-2007-1039: Asterisk INVITE Message Processing Remote Denial of Service Vulnerability
Platforms Affected:
- Debian Debian Linux 3.1
- Debian Debian Linux 4.0
- Digium Asterisk Open Source 1.2.14
- Digium Asterisk Open Source 1.2.15
- Digium Asterisk Open Source 1.2.16
- Digium Asterisk Open Source 1.4.1
- Gentoo Linux
- Novell OpenSUSE 10.2
- SuSE SuSE SLES 9
Reported:
Mar 19, 2007
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.