CVE-2025-34312CWE-78command-injection

CVE-2025-34312

High · published October 28, 2025

CVSS v3.1
8.8
EPSS
2%
Percentile
82.7
In the wild
Unconfirmed
What it is

⚡ An IPFire command injection vulnerability lurks just beneath the surface, allowing crafty attackers to execute arbitrary commands as the 'nobody' user without breaking a sweat! 🔥 Imagine a restaurant where the chef accepts orders without checking their ingredients—an unscrupulous cook could sneak in spoiled items and ruin the meal! That's what's happening here when the application blindly uses the supplied input to invoke shell commands. If an attacker exploits this vulnerability, they could execute any command as the 'nobody' user, leading to unauthorized access, data manipulation, or even disabling security features. This could compromise your entire firewall functionality, leaving you wide open to further attacks!

Put simply

Imagine a restaurant where the chef accepts orders without checking their ingredients—an unscrupulous cook could sneak in spoiled items and ruin the meal! That's what's happening here when the application blindly uses the supplied input to invoke shell commands. The command injection flaw in IPFire arises because the BE_NAME parameter is directly interpolated into a shell command during the installation of a blacklist, without proper sanitization to filter out harmful input. This allows for the injection of shell metacharacters that can trigger arbitrary command execution.

What to do

If an attacker exploits this vulnerability, they could execute any command as the 'nobody' user, leading to unauthorized access, data manipulation, or even disabling security features. This could compromise your entire firewall functionality, leaving you wide open to further attacks! To mitigate this vulnerability, upgrade IPFire to version 2.29 (Core Update 198) or later immediately. Ensure that your configurations are audited and consider employing input validation techniques to prevent similar issues in the future. You've got this! Follow the steps, and you'll keep your network fortified and secure! 🛡️

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02238 · 82.7th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2025-10-28T19:16Z
Affected products (16)
ProductVersionsFixed in
ipfire/ipfire< 2.292.29
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References (3)
EPSS history
Timeline
  • 28 OCT 14:37Z
    IPFire < v2.29 Command Injection via URL Filter Blacklist
    cvelistv5