CVE-2009-0238
HighSummary
Microsoft Office Excel 2000 SP3, 2002 SP3, 2003 SP3, 2007 SP1 oraz Excel Viewer 2003 Gold i SP3, a także inne wersje Excela, pozwalają zdalnym atakującym na wykonanie dowolnego kodu poprzez spreparowany dokument Excel, który wywołuje próbę dostępu do nieprawidłowego obiektu. Ta podatność była wykorzystywana w praktyce w lutym 2009 roku przez Trojan.Mdropper.AC.
Risk Assessment
Organizacje korzystające z podatnych wersji Excela mogą być narażone na zdalne wykonanie kodu, co może prowadzić do utraty danych lub przejęcia kontroli nad systemami. Wykorzystanie tej podatności może skutkować poważnymi konsekwencjami dla bezpieczeństwa informacji.
Recommendation
Zaleca się aktualizację Microsoft Office do najnowszej wersji oraz zastosowanie odpowiednich poprawek bezpieczeństwa. Należy również wprowadzić polityki ograniczające otwieranie dokumentów z nieznanych źródeł.
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Original NVD description (English source)
Microsoft Office Excel 2000 SP3, 2002 SP3, 2003 SP3, and 2007 SP1; Excel Viewer 2003 Gold and SP3; Excel Viewer; Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1; and Excel in Microsoft Office 2004 and 2008 for Mac allow remote attackers to execute arbitrary code via a crafted Excel document that triggers an access attempt on an invalid object, as exploited in the wild in February 2009 by Trojan.Mdropper.AC.

