CVE-2023-39400CWE-22

Parameter verification vulnerability in the installd module

Critical · published August 13, 2023

CVSS v3.1
9.1
EPSS
0%
Percentile
40.0
In the wild
Unconfirmed
What it is

🔥 The installd module is throwing a wild party and forgetting to check IDs at the door! Think of it like a library where anyone can walk in and not only read any book they want but also add new titles to the collection without anyone checking their authority to do so. That's exactly what happens here with unauthorized read and write access to sandbox files. This vulnerability is absolutely devastating! An attacker can slip into the system and read sensitive information or write malicious files without permission, potentially corrupting or leaking crucial data. The implications could lead to severe data breaches and complete loss of integrity for affected systems, putting users at risk.

Put simply

Think of it like a library where anyone can walk in and not only read any book they want but also add new titles to the collection without anyone checking their authority to do so. That's exactly what happens here with unauthorized read and write access to sandbox files. The parameter verification vulnerability in the installd module allows unauthorized access, letting an attacker read from and write to sandbox files simply by manipulating input parameters. This oversight in security checks means that crucial checks for permissions are completely bypassed.

What to do

This vulnerability is absolutely devastating! An attacker can slip into the system and read sensitive information or write malicious files without permission, potentially corrupting or leaking crucial data. The implications could lead to severe data breaches and complete loss of integrity for affected systems, putting users at risk. Immediately patch the installd module to the latest version where this vulnerability is addressed. Additionally, conduct an audit of the parameter validation processes across your application to ensure similar issues are not lurking in the shadows. Don't forget to educate your team about secure coding practices! You’ve got this! With these steps, you’ll lock down your system and be a security hero in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00474 · 40.0th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2023-08-13T12:36Z
EPSS history
Timeline
  • 13 AUG 12:36Z
    Parameter verification vulnerability in the installd module
    cvelistv5