Buffer Overflow Vulnerability in SonicOS SSL-VPN and Virtual Assist Portal Leads to Firewall Crash

Buffer Overflow Vulnerability in SonicOS SSL-VPN and Virtual Assist Portal Leads to Firewall Crash

CVE-2020-5136 · MEDIUM Severity

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

A buffer overflow vulnerability in SonicOS allows an authenticated attacker to cause Denial of Service (DoS) in the SSL-VPN and virtual assist portal, which leads to a firewall crash. This vulnerability affected SonicOS Gen 5 version 5.9.1.7, 5.9.1.13, Gen 6 version 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version 7.0.0.0.

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