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	Software Inspectors   Scan Online   Personal (PSI)   Network (NSI 2.0) Solutions For   Security Professionals   Security Vendors Free Solutions For   Open Communities   Journalists & Media Secunia Advisories   Search   Historic Advisories   Listed By Product   Listed By Vendor   Statistics / Graphs   Secunia Research   Report Vulnerability   About Advisories Virus Information   Chronological List   Last 10 Virus Alerts   About Virus Information Secunia Customers   Customer Area CVE Reference: CVE-2008-1897 NOTE: The text on this page is written by CVE MITRE and reflects neither the opinions of Secunia or the results of our research. All data on this page is written and maintained by CVE MITRE. Original Page at CVE MITRE: CVE-2008-1897 Description: The IAX2 channel driver (chan_iax2) in Asterisk Open Source 1.0.x, 1.2.x before 1.2.28, and 1.4.x before 1.4.19.1; Business Edition A.x.x, B.x.x before B.2.5.2, and C.x.x before C.1.8.1; AsteriskNOW before 1.0.3; Appliance Developer Kit 0.x.x; and s800i before 1.1.0.3, when configured to allow unauthenticated calls, does not verify that an ACK response contains a call number matching the server's reply to a NEW message, which allows remote attackers to cause a denial of service (traffic amplification) via a spoofed ACK response that does not complete a 3-way handshake. NOTE: this issue exists because of an incomplete fix for CVE-2008-1923. CVE Status: Candidate References: XF   http://xforce.iss.net/xforce/xfdb/41966 ST   1019918 SAID   Secunia Advisory: SA29927   Secunia Advisory: SA30010   Secunia Advisory: SA30042 MISC   http://www.altsci.com/concepts/page.php?s=asteri&p=2 FEDORA DEBIAN   http://www.debian.org/security/2008/dsa-1563 CONFIRM   http://bugs.digium.com/view.php?id=10078   http://downloads.digium.com/pub/security/AST-2008-006.html BUGTRAQ   http://www.securityfocus.com/archive/1/archive/1/491220/100/0/threaded BID   28901 Return to the previous page. Secunia PSI Scan | Patch | Track Free Download Secunia Poll Do you think it's important to read Setup/User Guides for applications for use within your network? Yes, I do it all the time Yes, but I do it rarely No See Results    Most Popular Advisories 1. Microsoft Windows DNS Spoofing Vulnerabilities 2. Microsoft Access Snapshot Viewer ActiveX Control Vulnerability 3. Microsoft Windows Explorer Saved Search Vulnerability 4. Microsoft SQL Server and MSDE Multiple Vulnerabilities 5. Joomla Unauthorized Access Vulnerabilities 6. Microsoft Outlook Web Access Script Insertion Vulnerabilities 7. Cisco Products DNS Cache Poisoning Vulnerability 8. Mozilla Firefox Multiple Vulnerabilities 9. Symantec Brightmail AntiSpam Notifier Denial of Service 10. ISC BIND Query Port DNS Cache Poisoning
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