CVE-2008-5526
HighSummary
DrWeb Anti-virus w wersji 4.44.0.09170, używany z Internet Explorer 6 lub 7, pozwala zdalnym atakującym na ominięcie detekcji złośliwego oprogramowania w dokumencie HTML. Możliwe jest to poprzez umieszczenie nagłówka MZ na początku oraz modyfikację nazwy pliku, aby nie miała rozszerzenia lub miała rozszerzenie .txt lub .jpg.
Risk Assessment
Organizacja narażona jest na ataki z wykorzystaniem złośliwych dokumentów, które mogą być niewykryte przez oprogramowanie antywirusowe. To zwiększa ryzyko infekcji systemów i wycieku danych.
Recommendation
Zaleca się aktualizację oprogramowania DrWeb do najnowszej wersji oraz monitorowanie i skanowanie wszystkich dokumentów HTML przed ich otwarciem. Warto również rozważyć użycie alternatywnych przeglądarek internetowych.
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Original NVD description (English source)
DrWeb Anti-virus 4.44.0.09170, 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.