CVE-2022-22582

MEDIUM

macOS < 11.6.5 - Arbitrary File Write via Symlink Validation Issue

Title source: llm

Exploitation Summary

EIP tracks 1 public exploit for CVE-2022-22582. PoCs published by poizon-box.

AI-analyzed exploit summary This PoC exploits CVE-2022-22582, a vulnerability in the XAR archive format, by crafting a malicious XAR file with a symlink and arbitrary file content. The exploit leverages improper symlink handling to achieve arbitrary file write, potentially leading to RCE.

Description

A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in Security Update 2022-003 Catalina, macOS Big Sur 11.6.5, macOS Monterey 12.3. A local user may be able to write arbitrary files.

Exploits (1)

nomisec WORKING POC

by poizon-box · poc

https://github.com/poizon-box/CVE-2022-22582

View Code ZIP pw:eip

This PoC exploits CVE-2022-22582, a vulnerability in the XAR archive format, by crafting a malicious XAR file with a symlink and arbitrary file content. The exploit leverages improper symlink handling to achieve arbitrary file write, potentially leading to RCE.

Classification

Working Poc 90%

Attack Type

Rce

Complexity

Moderate

Reliability

Reliable

Target: XAR archive processing utilities (e.g., macOS Archive Utility)

No auth needed

Prerequisites: Victim must process the malicious XAR file

MITRE ATT&CK

T1203 - Exploitation for Client Execution T1059 - Command and Scripting Interpreter

mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3

Core References

Release Notes, Vendor Advisory

https://support.apple.com/en-us/HT213183

Release Notes, Vendor Advisory

https://support.apple.com/en-us/HT213184

Release Notes, Vendor Advisory

https://support.apple.com/en-us/HT213185

Scores

CVSS v3 5.5

EPSS 0.1772

EPSS Percentile 96.8%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-59

Status published

Products (2)

apple/mac_os_x 10.15.7 (13 CPE variants)

apple/macos 11.0 - 11.6.5

Published Feb 27, 2023

Tracked Since Feb 18, 2026