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ClamAV Multiple Denial of Service Vulnerabilities August15 (Windows)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
This host is installed with ClamAV and is prone to multiple denial of service vulnerabilities.
Insight
Insight
Multiple flaws are due to: - an error that is triggered when handling a specially crafted xz archive file, which can cause an infinite loops. - an error in the 'cli_scanpe' function in pe.c script that is triggered when handling petite packed files. - an error in the 'yc_poly_emulator' function in yc.c script that is triggered when handling a specially crafted y0da cryptor file. - an error in the 'pefromupx' function of the UPX decoder that is triggered when handling specially crafted files.
Affected Software
Affected Software
ClamAV versions before 0.98.7 on Windows
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Upgrade to ClamAV version 0.98.7 or later.