CVE-2020-21522

An issue was discovered in halo V1.1.3

published September 30, 2020

CVSS
—
EPSS
2%
Percentile
74.6
In the wild
Unconfirmed
What it is

🚨 A sneaky Zip Slip vulnerability in Halo V1.1.3 could let attackers overwrite critical files! That's like a delivery driver accessing your mailbox to change your Netflix password! Imagine a package being delivered that includes a hidden instruction to slip through your front door and leave the delivery inside your house instead of on the porch. This vulnerability allows unauthorized modifications to important files like .bashrc, putting your whole system at risk. An attacker could exploit this vulnerability to overwrite important user files, leading to full control over the operating system. This is not just a minor inconvenience; it could give malicious actors access to sensitive information and system resources, creating a major security nightmare!

Put simply

Imagine a package being delivered that includes a hidden instruction to slip through your front door and leave the delivery inside your house instead of on the porch. This vulnerability allows unauthorized modifications to important files like .bashrc, putting your whole system at risk. The Zip Slip Directory Traversal Vulnerability allows an attacker to manipulate file paths in a ZIP file to extract files outside of the designated directory, potentially overwriting existing files in the user directory.

What to do

An attacker could exploit this vulnerability to overwrite important user files, leading to full control over the operating system. This is not just a minor inconvenience; it could give malicious actors access to sensitive information and system resources, creating a major security nightmare! To protect yourself, update to the patched version of Halo as soon as possible. Additionally, review your file extraction processes to ensure proper input validation and directory restrictions are in place to prevent such traversals. You've got this! With these steps, you'll keep your system safe and sound! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01532 · 74.6th percentile
Published
2020-09-30T14:26Z
EPSS history
Timeline
  • 30 SEP 14:26Z
    An issue was discovered in halo V1.1.3
    cvelistv5