CVE-2022-22607 – CVE-2022-22607 is an out-of-bounds read vulnera... (How to Fix)

Q: What is the severity of CVE-2022-22607?

CVE-2022-22607 has a CVSS score of 7.8 (HIGH). CVE-2022-22607 is an out-of-bounds read vulnerability in Xcode that could allow arbitrary code execution when opening malicious files. This affects developers using Xcode on macOS to build applications. Successful exploitation could compromise development systems.

📋 TL;DR

CVE-2022-22607 is an out-of-bounds read vulnerability in Xcode that could allow arbitrary code execution when opening malicious files. This affects developers using Xcode on macOS to build applications. Successful exploitation could compromise development systems.

💻 Affected Systems

Products:

Xcode

Versions: Versions before Xcode 13.3

Operating Systems: macOS

Default Config Vulnerable: ⚠️ Yes

Notes: Only affects Xcode on macOS; other Apple products are not impacted. Vulnerability triggers when opening malicious files within Xcode.

📦 What is this software?

Xcode by Apple

View all CVEs affecting Xcode →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Remote code execution with the privileges of the user running Xcode, potentially leading to full system compromise, data theft, or lateral movement.

🟠

Likely Case

Application crash or denial of service when processing specially crafted files, disrupting development workflows.

🟢

If Mitigated

Limited impact if systems are patched, files are from trusted sources, and least privilege principles are followed.

🌐 Internet-Facing: LOW - Xcode is typically not exposed to the internet directly, though malicious files could be delivered via web or email.

🏢 Internal Only: MEDIUM - Internal developers could be targeted via shared files or repositories, potentially compromising development environments.

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ✅ No

Complexity: MEDIUM

Exploitation requires user interaction to open a malicious file. No public proof-of-concept has been disclosed, reducing immediate risk.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Xcode 13.3 or later

Vendor Advisory: https://support.apple.com/en-us/HT213189

Restart Required: Yes

Instructions:

1. Open the Mac App Store. 2. Click Updates. 3. Find Xcode and click Update. 4. Alternatively, download Xcode 13.3 or later from developer.apple.com. 5. Restart your Mac after installation.

🔧 Temporary Workarounds

Avoid Untrusted Files

all

Only open files from trusted sources in Xcode to prevent exploitation.

🧯 If You Can't Patch

Restrict Xcode usage to isolated development environments or virtual machines.
Implement application whitelisting to block execution of malicious files and monitor for suspicious Xcode activity.

🔍 How to Verify

Check if Vulnerable:

Check Xcode version: Open Xcode, go to Xcode menu > About Xcode. If version is below 13.3, the system is vulnerable.

Check Version:

xcodebuild -version

Verify Fix Applied:

Confirm Xcode version is 13.3 or higher via About Xcode dialog.

📡 Detection & Monitoring

Log Indicators:

Unexpected crashes of Xcode, especially when opening files
Security logs showing file access or execution anomalies in Xcode processes

Network Indicators:

Unusual outbound connections from Xcode to external IPs, potentially indicating command and control activity

SIEM Query:

source="*security*" AND process="Xcode" AND (event="crash" OR event="file_access")

📊 Metadata

CVE ID: CVE-2022-22607

CVSS v3 Score: 7.8 (HIGH)

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE: CWE-125

Published: March 18, 2022

Last Updated: November 21, 2024

🔗 References

https://support.apple.com/en-us/HT213189 Vendor Advisory
https://support.apple.com/en-us/HT213189 Vendor Advisory

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🔗 Related Vulnerabilities

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