eStara Softphone Content-Length Vulnerability

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  Severity: MEDIUM

  CVE Identifier: CVE-2006-0739

  Advisory Date: FEB 15, 2011

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  DESCRIPTION

 eStara SIP softphone allows remote attackers to cause a denial of service (crash) via an INVITE request with a Content-Length field that has more than 9 digits.

  TREND MICRO PROTECTION INFORMATION

Trend Micro Deep Security shields networks through Deep Packet Inspection (DPI) rules. Trend Micro customers using OfficeScan with Intrusion Defense Firewall (IDF) plugin are also protected from attacks using these vulnerabilities. Please refer to the filter number and filter name when applying appropriate DPI and/or IDF rules.

  SOLUTION

  Trend Micro Deep Security DPI Rule Number: 1000371

  Trend Micro Deep Security DPI Rule Name: 1000371 - eStara Softphone "Negative Content-Length" Vulnerability

  AFFECTED SOFTWARE AND VERSION

• eStara SoftPhone 3.0.1.47