Actively exploited in the wild
Microsoft Internet Explorer Scripting Engine Memory Corruption Vulnerability
Microsoft - Internet Explorer · Listed in the CISA KEV since 2021-11-03. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2020-1380
HighCVSS 7.8KEVSummary
W Internet Explorer występuje podatność na zdalne wykonanie kodu, związana z obsługą obiektów w pamięci przez silnik skryptowy. Atakujący może wykorzystać tę podatność do wykonania dowolnego kodu w kontekście aktualnego użytkownika, co może prowadzić do przejęcia kontroli nad systemem.
Risk Assessment
Jeśli aktualny użytkownik ma uprawnienia administratora, atakujący może zainstalować programy, przeglądać, zmieniać lub usuwać dane oraz tworzyć nowe konta z pełnymi prawami użytkownika. To stwarza poważne zagrożenie dla bezpieczeństwa organizacji.
Recommendation
Zaleca się natychmiastowe zaktualizowanie Internet Explorer do najnowszej wersji oraz wdrożenie polityki ograniczającej dostęp do nieznanych stron internetowych, aby zminimalizować ryzyko wykorzystania tej podatności.
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Original NVD description (English source)
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker who successfully exploited the vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. In a web-based attack scenario, an attacker could host a specially crafted website that is designed to exploit the vulnerability through Internet Explorer and then convince a user to view the website. An attacker could also embed an ActiveX control marked "safe for initialization" in an application or Microsoft Office document that hosts the IE rendering engine. The attacker could also take advantage of compromised websites and websites that accept or host user-provided content or advertisements. These websites could contain specially crafted content that could exploit the vulnerability. The security update addresses the vulnerability by modifying how the scripting engine handles objects in memory.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS