CVE-2022-44039

Franklin Fueling System FFS Colibri 1.9.22.8925 is affected by: File system overwrite

Critical · published December 5, 2022

CVSS v3.1
9.8
EPSS
1%
Percentile
64.5
In the wild
Unconfirmed
What it is

🚨 Just one command can turn your server into a playground for an attacker! With CVE-2022-44039, a sneaky file system overwrite vulnerability is lurking in Franklin Fueling System's Colibri software. 🔥 Think of it like leaving the front door of a bank wide open; anyone can walk in and change the vault's combination or even take over the entire operation. That's exactly what happens here with the insecure use of 'fopen'. An attacker can overwrite crucial system files like 'system.conf' and 'passwd', potentially granting themselves root privileges or changing the root password. This could lead to a complete takeover of the system, putting sensitive data and operations at immense risk. It's absolutely devastating!

Put simply

Think of it like leaving the front door of a bank wide open; anyone can walk in and change the vault's combination or even take over the entire operation. That's exactly what happens here with the insecure use of 'fopen'. This vulnerability arises from the insecure use of the 'fopen' function in the Colibri software, allowing remote attackers to overwrite existing system files by opening them in write mode ('wb'). This careless coding practice can lead to unauthorized privilege escalation.

What to do

An attacker can overwrite crucial system files like 'system.conf' and 'passwd', potentially granting themselves root privileges or changing the root password. This could lead to a complete takeover of the system, putting sensitive data and operations at immense risk. It's absolutely devastating! Immediately patch your system to version 1.9.22.8926 or later to close this vulnerability. Additionally, review your source code for similar vulnerabilities involving file handling and implement strict file permission checks. Don't delay; this could save you from a major security disaster! You've got this! By taking these actions, you can lock down your system and claim your security hero cape! 🛡️

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
0.01068 · 64.5th percentile
Published
2022-12-05T00:00Z
EPSS history
Timeline
  • 05 DEC 00:00Z
    Franklin Fueling System FFS Colibri 1.9.22.8925 is affected by: File system overwrite
    cvelistv5