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The OLE2 parser in Clam AntiVirus (ClamAV) allows remote attackers to cause a denial of service (resource consumption) via an OLE2 file with (1) a large property size or (2) a loop in the FAT file block chain that triggers an infinite loop as demonstrated via a crafted DOC file.

🗓️ 25 Oct 2020 07:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 2 Views

ClamAV OLE2 parser DoS via crafted OLE2 DOC files with large properties or infinite FAT loops.

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Detection

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25 Oct 2020 07:00Current
7High risk
Vulners AI Score7
CVSS 24.3
EPSS0.0499
2