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ClamAV Multiple Denial of Service Vulnerabilities August15 (Linux)

Information

Severity

Severity

Medium

Family

Family

Denial of Service

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

6 years ago

Modified

Modified

3 years ago

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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 Linux

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.

Common Vulnerabilities and Exposures (CVE)

References

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