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Advisories

Bandisoft Bandizip before 7.47 Mark-of-the-Web Bypass for PowerShell Scripts

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Severity
medium
Date
Affecting

  • Bandizip >= 0, < 7.47

CWE
  • CWE-693 Protection Mechanism Failure
CVSS
4.8
CVSS V4 Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Credit
Leon Kayaliev
Description
Bandisoft Bandizip before 7.47 fails to propagate Mark-of-the-Web to extracted .ps1 and .psm1 files, allowing attackers to bypass zone-based execution protections. Attackers can deliver unsigned PowerShell scripts or modules in downloaded archives that run under the RemoteSigned policy when the user invokes them.

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