CVE-2022-0139CWE-416

Use After Free in radareorg/radare2

High · published February 8, 2022

CVSS v3.0
7.1
EPSS
1%
Percentile
68.6
In the wild
Unconfirmed
What it is

⚡ A memory mishap is lurking in radare2 before version 5.6.0, and it could leave your data wide open! 🚨 Think of it like a librarian who keeps returning books to the wrong shelf; the space they occupied is still marked as available, which could lead to some serious misplacement. 🏢📚 This use-after-free vulnerability could allow an attacker to manipulate memory, potentially leading to unexpected behaviors, crashes, or even unauthorized access to sensitive data. If exploited, it’s like opening the door to a secret room in a library where valuable manuscripts are stored!

Put simply

Think of it like a librarian who keeps returning books to the wrong shelf; the space they occupied is still marked as available, which could lead to some serious misplacement. 🏢📚 The vulnerability allows for improper handling of freed memory areas in the radare2 codebase, potentially enabling attackers to execute arbitrary code or cause a denial of service. It’s a classic case of reusing memory that has already been freed!

What to do

This use-after-free vulnerability could allow an attacker to manipulate memory, potentially leading to unexpected behaviors, crashes, or even unauthorized access to sensitive data. If exploited, it’s like opening the door to a secret room in a library where valuable manuscripts are stored! Upgrade to radare2 version 5.6.0 or newer immediately to close this security gap. It’s also a good idea to review your code for any use-after-free patterns as a best practice. Don't forget to test your applications after the update! This is manageable! Take these steps, and you'll be back to securing your code in no time! 🛡️

The record
Technical detail
CVSS v3.0
7.1 · HIGH
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.01227 · 68.6th percentile
Weakness
CWE-416 · Use After Free
Published
2022-02-08T18:40Z
EPSS history
Timeline
  • 08 FEB 18:40Z
    Use After Free in radareorg/radare2
    cvelistv5