Iphone Os
CVE-2020-3843
HIGH
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.4.7, watchOS 5.3.7. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.
AnalysisAI
A memory corruption issue was addressed with improved input validation. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.4.7, watchOS 5.3.7. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory. Affected products include: Apple Iphone Os, Apple Watchos.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).
An issue was discovered in certain Apple products. Rated high severity (CVSS 7.8), this vulnerability is no authenticati
An issue was discovered in certain Apple products. Rated high severity (CVSS 8.8), this vulnerability is remotely exploi
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WebKit memory corruption in Safari 18.6 and multiple Apple platforms allows remote code execution when processing malici
A use-after-free issue was addressed with improved memory management. Rated high severity (CVSS 8.8), this vulnerability
Race condition in the kernel in Apple iOS before 9.3 and OS X before 10.11.4 allows attackers to execute arbitrary code
WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 allows remote attackers to execute arbitrar
An issue was discovered in certain Apple products. Rated high severity (CVSS 7.8), this vulnerability is low attack comp
The history implementation in WebKit, as used in Apple Safari before 6.2.6, 7.x before 7.1.6, and 8.x before 8.0.6, allo
A use-after-free issue was addressed with improved memory management. Rated high severity (CVSS 7.8), this vulnerability
WebKit, as used in Apple iOS before 8.3 and Apple Safari before 6.2.5, 7.x before 7.1.5, and 8.x before 8.0.5, does not
An issue was discovered in certain Apple products. Rated high severity (CVSS 7.8), this vulnerability is no authenticati
Same weakness CWE-787 – Out-of-bounds Write
View allSame technique Buffer Overflow
View allShare
External POC / Exploit Code
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