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Avast! Antivirus Local Insecure Permissions Vulnerability
The avast! Antivirus product is prone to a local insecure-permissions vulnerability. This issue is due to the application incorrectly resetting the permissions on critical files during its periodic update process. A local, unprivileged attacker can exploit this issue to replace critical driver files with malicious executables. This may facilitate a complete compromise of the affected computer. This issue affects avast! 4.x versions. Other versions may also be vulnerable. |
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