NetSight
critical9.3

CVE-2008-5523

avast!

Impact

avast! antivirus 4.8.1281.0, when Internet Explorer 6 or 7 is used, allows remote attackers to bypass detection of malware in an HTML document by placing an MZ header (aka "EXE info") at the beginning, and modifying the filename to have (1) no extension, (2) a .txt extension, or (3) a .jpg extension, as demonstrated by a document containing a CVE-2006-5745 exploit.

Affected products

VendorProductAffected versions
AvastAvast Antivirus
Version 4.8.1281.0

Weakness classification

References