CVE-2022-42837

An issue existed in the parsing of URLs

Critical · published December 15, 2022

CVSS v3.1
9.8
EPSS
2%
Percentile
83.0
In the wild
Unconfirmed
What it is

🚨 A crafty URL is all it takes to put your app on the edge! This critical vulnerability in the URL parsing could lead to unexpected app crashes or even worse, arbitrary code execution. 🔥 Think of it like a restaurant’s menu where a waiter can add their own items — if they slip in something unexpected, it could derail the entire dinner service. Similarly, a rogue URL can cause serious chaos in your apps! If exploited, an attacker could remotely trigger app terminations or execute arbitrary code, potentially taking control straight from the comfort of their couch. This could lead to data theft, malicious actions, and full control over your device — yikes!

Put simply

Think of it like a restaurant’s menu where a waiter can add their own items — if they slip in something unexpected, it could derail the entire dinner service. Similarly, a rogue URL can cause serious chaos in your apps! CVE-2022-42837 arises from improper input validation during URL parsing, allowing attackers to manipulate URLs and execute arbitrary code on vulnerable systems. This flaw could compromise app integrity and user data.

What to do

If exploited, an attacker could remotely trigger app terminations or execute arbitrary code, potentially taking control straight from the comfort of their couch. This could lead to data theft, malicious actions, and full control over your device — yikes! To mitigate this risk, update your devices to the latest versions: iOS 16.2, iPadOS 16.2, macOS Ventura 13.1, or at least iOS 15.7.2 and iPadOS 15.7.2. Always ensure your software is up to date to guard against similar vulnerabilities. 🛡️ You’ve got this! Follow these steps and keep your devices safe and sound! 💪✨

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02276 · 83.0th percentile
Published
2022-12-15T00:00Z
EPSS history
Timeline
  • 15 DEC 00:00Z
    An issue existed in the parsing of URLs
    cvelistv5