CVE-2020-1460
HighSummary
W Microsoft SharePoint Server występuje podatność na zdalne wykonanie kodu, gdy system nieprawidłowo identyfikuje i filtruje niebezpieczne kontrolki webowe ASP.Net. Uwierzytelniony atakujący, który skutecznie wykorzysta tę podatność, może użyć specjalnie przygotowanej strony do wykonywania działań w kontekście bezpieczeństwa procesu aplikacji SharePoint.
Risk Assessment
Organizacja może być narażona na nieautoryzowane działania w kontekście aplikacji SharePoint, co może prowadzić do ujawnienia danych lub naruszenia integralności systemu. Wykorzystanie tej podatności przez atakującego może mieć poważne konsekwencje dla bezpieczeństwa danych.
Recommendation
Zaleca się zastosowanie aktualizacji zabezpieczeń, która poprawia sposób przetwarzania tworzonych treści w Microsoft SharePoint Server. Należy również monitorować i ograniczać dostęp do systemu tylko dla zaufanych użytkowników.
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Original NVD description (English source)
<p>A remote code execution vulnerability exists in Microsoft SharePoint Server when it fails to properly identify and filter unsafe ASP.Net web controls. An authenticated attacker who successfully exploited the vulnerability could use a specially crafted page to perform actions in the security context of the SharePoint application pool process.</p> <p>To exploit the vulnerability, an authenticated user must create and invoke a specially crafted page on an affected version of Microsoft SharePoint Server.</p> <p>The security update addresses the vulnerability by correcting how Microsoft SharePoint Server handles processing of created content.</p>
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

