Buffer Overflow in Apple Kernel Component Affects iOS, macOS, tvOS, and watchOS
CVE-2018-4243

7.8HIGH

Key Information:

Vendor
Apple
Status
Mac Os X
iPhone OS
Apple Tv
Watch OS
Vendor
CVE Published:
8 June 2018

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A buffer overflow vulnerability in the Kernel component of certain Apple products can be exploited through a maliciously crafted application. This flaw allows an attacker to execute arbitrary code with elevated privileges, potentially compromising user data and system integrity. Affected versions include iOS prior to 11.4, macOS prior to 10.13.5, tvOS prior to 11.4, and watchOS before 4.3.1. Users are advised to update their devices to mitigate this risk.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

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Created by Jailbreaks

References

https://support.apple.com/HT208850
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https://www.exploit-db.com/exploits/44848/
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https://support.apple.com/HT208851
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EPSS Score

6% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.