CVE-2008-5539
HighSummary
Antywirus RISING w wersjach 21.06.31.00 i prawdopodobnie 20.61.42.00, w połączeniu z Internet Explorer 6 lub 7, umożliwia zdalnym atakującym ominięcie wykrywania złośliwego oprogramowania w dokumencie HTML. Można to osiągnąć poprzez umieszczenie nagłówka MZ na początku oraz modyfikację nazwy pliku, aby nie miała rozszerzenia, miała rozszerzenie .txt lub .jpg.
Risk Assessment
Organizacje mogą być narażone na ataki z wykorzystaniem złośliwego oprogramowania, które nie zostanie wykryte przez antywirus RISING, co może prowadzić do poważnych incydentów bezpieczeństwa. Wykorzystanie tej podatności może skutkować utratą danych lub kompromitacją systemów.
Recommendation
Zaleca się aktualizację oprogramowania antywirusowego RISING do najnowszej wersji oraz monitorowanie i skanowanie dokumentów HTML pod kątem nietypowych nagłówków i rozszerzeń plików. Dodatkowo, warto rozważyć ograniczenie użycia przestarzałych wersji Internet Explorera.
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Original NVD description (English source)
RISING Antivirus 21.06.31.00 and possibly 20.61.42.00, 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.