CVE-2008-5537
HighSummary
PC Tools AntiVirus w wersji 4.4.2.0, przy użyciu Internet Explorer 6 lub 7, pozwala zdalnym atakującym na ominięcie wykrywania złośliwego oprogramowania w dokumencie HTML. Możliwe jest to poprzez umieszczenie nagłówka MZ na początku oraz modyfikację nazwy pliku, aby nie miała rozszerzenia, miała rozszerzenie .txt lub .jpg.
Risk Assessment
Organizacja może być narażona na ataki, które wykorzystują złośliwe dokumenty HTML, co może prowadzić do infekcji systemów i utraty danych. Ominięcie wykrywania złośliwego oprogramowania stwarza poważne zagrożenie dla bezpieczeństwa.
Recommendation
Zaleca się aktualizację oprogramowania antywirusowego do najnowszej wersji oraz monitorowanie i filtrowanie ruchu sieciowego w celu wykrywania podejrzanych dokumentów HTML. Warto również rozważyć dodatkowe zabezpieczenia, takie jak skanowanie plików przed ich otwarciem.
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Original NVD description (English source)
PC Tools AntiVirus 4.4.2.0, 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.