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SecuriTeam™  Beyond Security®  SecuriTeam™ Home  Ask the Team  Mailing Lists  Advertising Info  Blogs  Black Box Testing  Vulnerability Assessment  Vulnerability Scanner SecuriTeam™ in Your Inbox   E-mail this article to a friend New vulnerability? New tool? Tell us	Skinny Channel Driver DoS 13 Aug. 2007    Summary The Asterisk Skinny channel driver, chan_skinny, has a remotely exploitable crash vulnerability. A segfault can occur when Asterisk receives a "CAPABILITIES_RES_MESSAGE" packet where the capabilities count is greater than the total number of items in the capabilities_res_message array. Note that this requires an authenticated session.   Credit: The information has been provided by Security Response Team. The original article can be found at: http://downloads.digium.com/pub/asa/ASA-2007-019.html    Details Audit your web server for security holes - see what the hackers see. Sign up for a scan today - risk free! Vulnerable Systems:  * Asterisk Open Source 1.4.x - all versions prior to 1.4.10  * AsteriskNOW all versions prior to beta7  * Asterisk Appliance Developer Kit all versions prior to 0.7.0  * s800i (Asterisk Appliance) all versions prior to 1.0.3 Immune Systems:  * Asterisk Open Source 1.4.x - version 1.4.10  * AsteriskNOW beta7  * Asterisk Appliance Developer Kit 0.7.0  * s800i (Asterisk Appliance) 1.0.3  * Asterisk Open Source 1.0.x  * Asterisk Open Source 1.2.x Resolution: Asterisk code has been modified to limit the incoming capabilities count. Users with configured Skinny devices should upgrade to the appropriate version listed in the corrected in section of this advisory.  Comments: Subject:   Date:  From:  Add new comment:  Subject:  Name/Nick/Email:          Chars Left:	All Sections Security News Unix focus Exploits Tools Windows focus Security Reviews  Related Articles Cisco BBSM Captive Portal Cross-site Scripting Cisco Unified Communications Manager Denial of Service Vulnerabilities Novell eDirectory Unauthenticated Access to SOAP Interface Call of Duty Denial of Service Wonderware SuiteLink Denial of Service Vulnerability WebMod Multiple Vulnerabilities IAX2 Incomplete 3-Way Handshake (Spoofing) Multiple Vendor OpenOffice Vulnerabilities Apple Safari WebKit PCRE Handling Integer Overflow Vulnerability Cisco Network Admission Control Shared Secret Vulnerability ClamAV libclamav PeSpin Heap Overflow Vulnerability ClamAV libclamav PE WWPack Heap Overflow Vulnerability IBM Informix Pre-Authentication Stack Overflow Adobe Flash Player DeclareFunction2 Invalid Object Use Vulnerability HP OpenView NNM Buffer Overflow  Featured Articles Microsoft Windows I2O Filter Utility Driver (i2omgmt.sys) Local Privilege Escalation Vulnerability Adobe Acrobat Javascript PDF Security Feature Bypass and Memory Corruption Vulnerabilities Multiple Vendor rdesktop Vulnerabilities Wonderware SuiteLink Denial of Service Vulnerability PHP Multibyte Shell Command Escaping Bypass Vulnerability Akamai Download Manager Arbitrary Program Execution Vulnerability SugarCRM Community Edition Local File Disclosure Vulnerability
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