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SonicWall Notice Concerning Privilege Escalation Vulnerability in the Windows NetExtender client (CVE-2015-4173)

SonicWALL Notice Concerning Privilege Escalation Vulnerability in the Windows NetExtender client (CVE-2015-4173)

Dear Customer,       

A vulnerability CVE­-2015- 4173, affects a Registry key used by SonicWALL NetExtender client for Windows exposes the system to a  binary planting attack that can be triggered upon login. A malicious binary placed in a specific system folder by a low-privileged user could result in code execution upon an Administrator login.

SonicWALL SMB SRA

NetExtender version

NetExtender 8.0.236 or earlier

NetExtender 7.5.226 or earlier

Recommended Action

NetExtender 8.0.238 (or newer) is included in the SRA Firmware 8.0.0.3-23sv
NetExtender 7.5.227 (or newer) is included in the SRA Firmware 7.5.1.2-40sv

Reported by

Andrew J. Smith, Security Analyst, Sword & Shield Enterprise Security (http://www.swordshield.com)

Additional Information

The latest 8.0 and 7.5 firmware versions are available for download on www.mysonicwall.com. Please contact SonicWALL Tech Support for any issues in applying this security update.