Asterisk The Open Source PBX & Telephony Platform
Asterisk Project Security Advisory - AST-2010-001
| Product | Asterisk |
| Summary | T.38 Remote Crash Vulnerability |
| Nature of Advisory | Denial of Service |
| Susceptibility | Remote unauthenticated sessions |
| Severity | Critical |
| Exploits Known | No |
| Reported On | 12/03/09 |
| Reported By | issues.asterisk.org users bklang and elsto |
| Posted On | 02/03/10 |
| Last Updated On | February 2, 2010 |
| Advisory Contact | David Vossel < dvossel AT digium DOT com > |
| CVE Name | CVE-2010-0441 |
| Description | An attacker attempting to negotiate T.38 over SIP can remotely crash Asterisk by modifying the FaxMaxDatagram field of the SDP to contain either a negative or exceptionally large value. The same crash occurs when the FaxMaxDatagram field is omitted from the SDP as well. |
| Resolution | Upgrade to one of the versions of Asterisk listed in the “Corrected In” section, or apply a patch specified in the “Patches” section. |
| Affected Versions | ||
| Product | Release Series | |
| Asterisk Open Source | 1.6.x | All versions |
| Asterisk Business Edition | C.3 | All versions |
| Corrected In | |
| Product | Release |
| Asterisk Open Source | 1.6.0.22 |
| Asterisk Open Source | 1.6.1.14 |
| Asterisk Open Source | 1.6.2.2 |
| C.3.3.2 | |
| Links | https://issues.asterisk.org/view.php?id=16634 |
| Asterisk Project Security Advisory are posted at http://www.asterisk.org/security This document may be superseded by later versions; if so, the latest version will be posted at http://downloads.digium.com/pub/security/.pdf and http://downloads.digium.com/pub/security/.html |
| Revision History | ||
| Date | Editor | Revisions Made |
| 02/02/10 | David Vossel | Initial release |
Asterisk Project Security Advisory - AST-2010-001
Related Posts
- Asterisk 1.6.0.22, Asterisk 1.6.1.14, Asterisk 1.6.2.2 Released
- Asterisk 1.6.0.11-rc2, 1.6.1.2, 1.6.1.3-rc1, and 1.6.2.0-beta4 Release Announcement
- Asterisk Security Advisory – AST-2009-005: Remote Crash Vulnerability in SIP channel driver
- Asterisk 1.4.29 Now Available
- Asterisk Security Advisory – AST-2009-004
