VAR-200709-0265

Vulnerability from variot - Updated: 2025-04-10 23:01

Privatefirewall 5.0.14.2 does not properly validate certain parameters to System Service Descriptor Table (SSDT) function handlers, which allows local users to cause a denial of service (crash) and possibly gain privileges via kernel SSDT hooks for (1) NtOpenProcess and (2) NtOpenThread. Privatefirewall is prone to multiple local vulnerabilities. Exploiting these vulnerabilities allows local attackers to crash affected computers, denying service to legitimate users. Attackers might also be able to gain elevated privileges by executing arbitrary machine code in the context of the kernel, but this has not been confirmed. Privatefirewall 5.0.14.2 is vulnerable; other versions may also be affected

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