CVE-2018-4156: apple iphone_os Race Condition

Vulnerability summary

CVE-2018-4156 is a high (CVSS 7.6) Race Condition vulnerability in apple iphone_os. EPSS estimates a 1.11% chance of exploitation in the next 30 days, higher than 65.5% of scored vulnerabilities.

Timeline

1. 03-04-2018
   PublishedVulnerability first disclosed.
2. 05-08-2024
   Last modifiedVulnerability information updated.

Description

An issue was discovered in certain Apple products. iOS before 11.3 is affected. macOS before 10.13.4 is affected. The issue involves the "PluginKit" component. A race condition allows attackers to execute arbitrary code in a privileged context via a crafted app.

• CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.