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CVSS: 7.8EPSS: 0%CPEs: 17EXPL: 0

CVE-2021-30995 – Apple macOS fclonefileat Time-Of-Check Time-Of-Use Privilege Escalation Vulnerability

https://notcve.org/view.php?id=CVE-2021-30995

A race condition was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. A malicious application may be able to elevate privileges. Se solucionó una condición de carrera con un manejo de estado mejorado. Este problema se solucionó en macOS Big Sur versión 11.6.2, tvOS versión 15.2, macOS Monterey versión 12.1, actualización de seguridad 2021-008 Catalina, iOS versión 15.2 e iPadOS versión 15.2, watchOS versión 8.3. • https://support.apple.com/en-us/HT212975 https://support.apple.com/en-us/HT212976 https://support.apple.com/en-us/HT212978 https://support.apple.com/en-us/HT212979 https://support.apple.com/en-us/HT212980 https://support.apple.com/en-us/HT212981 https://www.zerodayinitiative.com/advisories/ZDI-22-360 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •

CVSS: 5.5EPSS: 0%CPEs: 13EXPL: 0

CVE-2021-30990

https://notcve.org/view.php?id=CVE-2021-30990

A logic issue was addressed with improved validation. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. A malicious application may bypass Gatekeeper checks. Se solucionó un problema lógico con una comprobación mejorada. Este problema se solucionó en macOS Monterey versión 12.1, actualización de seguridad 2021-008 Catalina, macOS Big Sur versión 11.6.2. • https://support.apple.com/en-us/HT212978 https://support.apple.com/en-us/HT212979 https://support.apple.com/en-us/HT212981 •

CVSS: 5.9EPSS: 0%CPEs: 13EXPL: 0

CVE-2021-30982

https://notcve.org/view.php?id=CVE-2021-30982

A race condition was addressed with improved locking. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. A remote attacker may be able to cause unexpected application termination or heap corruption. Se solucionó una condición de carrera con un bloqueo mejorado. Este problema se solucionó en macOS Monterey versión 12.1, actualización de seguridad 2021-008 Catalina, macOS Big Sur versión 11.6.2. • https://support.apple.com/en-us/HT212978 https://support.apple.com/en-us/HT212979 https://support.apple.com/en-us/HT212981 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •

CVSS: 9.3EPSS: 0%CPEs: 13EXPL: 0

CVE-2021-30981

https://notcve.org/view.php?id=CVE-2021-30981

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. An application may be able to execute arbitrary code with kernel privileges. Se abordó un desbordamiento de búfer con una comprobación de límites mejorada. Este problema es corregido en macOS Monterey versión 12.1, Security Update 2021-008 Catalina, macOS Big Sur versión 11.6.2. • https://support.apple.com/en-us/HT212978 https://support.apple.com/en-us/HT212979 https://support.apple.com/en-us/HT212981 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •

CVSS: 9.3EPSS: 0%CPEs: 17EXPL: 0

CVE-2021-30980

https://notcve.org/view.php?id=CVE-2021-30980

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. An application may be able to execute arbitrary code with kernel privileges. Se abordó un problema de uso de la memoria previamente liberada con una administración de la memoria mejorada. Este problema es corregido en macOS Big Sur versión 11.6.2, tvOS versión 15.2, macOS Monterey versión 12.1, Security Update 2021-008 Catalina, iOS versión 15.2 e iPadOS versión 15.2, watchOS versión 8.3. • https://support.apple.com/en-us/HT212975 https://support.apple.com/en-us/HT212976 https://support.apple.com/en-us/HT212978 https://support.apple.com/en-us/HT212979 https://support.apple.com/en-us/HT212980 https://support.apple.com/en-us/HT212981 • CWE-416: Use After Free •