CVE-2021-26728CWE-121CWE-94

spx_restservice KillDupUsr_func Command Injection and Stack-Based Buffer Overflow

Critical · published October 24, 2022

CVSS v3.1
10.0
EPSS
3%
Percentile
85.5
In the wild
Unconfirmed
What it is

🚨 A cleverly crafted command can hijack your server like a magician pulling a rabbit from a hat, and this one’s got serious tricks up its sleeve! 🔥 This vulnerability is like a sneaky thief who knows just how to unlock your back door without you ever hearing a sound, allowing them to waltz right in and take control of your home. An attacker could exploit this vulnerability to execute arbitrary code with the same privileges as the server user (root). This means they could do anything from stealing sensitive data to taking complete control of your system, making it a nightmare scenario for any organization that relies on this firmware!

Put simply

This vulnerability is like a sneaky thief who knows just how to unlock your back door without you ever hearing a sound, allowing them to waltz right in and take control of your home. The CVE-2021-26728 vulnerability in the KillDupUsr_func function of spx_restservice allows command injection and stack-based buffer overflow, enabling attackers to run malicious code through improperly validated input.

What to do

An attacker could exploit this vulnerability to execute arbitrary code with the same privileges as the server user (root). This means they could do anything from stealing sensitive data to taking complete control of your system, making it a nightmare scenario for any organization that relies on this firmware! Immediately update the firmware from version 1.10.0 to a patched version if available. Additionally, review and restrict input handling mechanisms to prevent injection vulnerabilities and monitor server logs for any unusual activities. You've got this! Follow these steps and your system will be fortified in no time. 🛡️

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02653 · 85.5th percentile
Weaknesses
CWE-121 · Stack-based Buffer Overflow; CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2022-10-24T00:00Z
EPSS history
Timeline
  • 24 OCT 00:00Z
    spx_restservice KillDupUsr_func Command Injection and Stack-Based Buffer Overflow
    cvelistv5