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zdiAnonymousZDI-06-001
HistoryJan 12, 2006 - 12:00 a.m.

Clam AntiVirus UPX Unpacking Code Execution Vulnerability

2006-01-1200:00:00
Anonymous
www.zerodayinitiative.com
12

0.374 Low

EPSS

Percentile

97.2%

This vulnerability allows remote attackers to execute arbitrary code on vulnerable Clam AntiVirus installations. Authentication is not required to exploit this vulnerability. This specific flaw exists within libclamav/upx.c during the unpacking of executable files compressed with UPX. Due to an invalid size calculation during a data copy from the user-controlled file to heap allocated memory, an exploitable memory corruption condition is created.