CVE-2023-6232CWE-787

Buffer overflow in the Address Book username process in authentication of Mobile Device Function of Office Multifunction Printers and Laser Printers(*) which…

Critical · published February 6, 2024

CVSS v3.1
9.8
EPSS
1%
Percentile
73.3
In the wild
Unconfirmed
What it is

🚨 A buffer overflow in the Address Book process of certain multifunction printers means an attacker could cause chaos just by being on the same network! 🔥 Think of your printer like a busy restaurant kitchen. If a chef gets a dish order that’s too big for the plate, it can spill all over the counter, disrupting service and causing a mess. Similarly, this vulnerability allows an overflow that could make your printer unresponsive or worse—execute rogue commands! An attacker on the same network segment could exploit this vulnerability to crash the printer or even execute arbitrary code, effectively turning it into a puppet for malicious tasks. This leaves sensitive documents at risk and the entire printing operation in disarray!

Put simply

Think of your printer like a busy restaurant kitchen. If a chef gets a dish order that’s too big for the plate, it can spill all over the counter, disrupting service and causing a mess. Similarly, this vulnerability allows an overflow that could make your printer unresponsive or worse—execute rogue commands! This vulnerability occurs in the authentication process of the Mobile Device Function for specific multifunction printers, leading to a buffer overflow. By sending oversized data, an attacker can exploit this flaw to crash the device or run their own code remotely.

What to do

An attacker on the same network segment could exploit this vulnerability to crash the printer or even execute arbitrary code, effectively turning it into a puppet for malicious tasks. This leaves sensitive documents at risk and the entire printing operation in disarray! To protect against this critical vulnerability, update the firmware of affected printers to version 03.08 or later immediately. Additionally, consider segmenting your network to limit access to these devices and monitor for any unusual activity. 🛡️ You've got this! With the right steps, you can secure your network and keep those printers humming along safely! 🚀

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01457 · 73.3th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2024-02-06T00:22Z
EPSS history
Timeline
  • 06 FEB 00:22Z
    Buffer overflow in the Address Book username process in authentication of Mobile Device Function of Office Multifunction Printers and Laser Printers(*) which…
    cvelistv5