CVE-2023-38316

An issue was discovered in OpenNDS Captive Portal before version 10.1.2

published November 17, 2023

CVSS
โ€”
EPSS
1%
Percentile
64.9
In the wild
Unconfirmed
What it is

๐Ÿšจ A simple HTTP GET request can unleash chaos! An attacker can execute arbitrary OS commands in OpenNDS Captive Portal on versions before 10.1.2 just by crafting a sneaky URL. ๐Ÿ”ฅ Think of it like a mischievous diner who writes a fake order on the restaurant's ticket and gets the kitchen to cook whatever they want โ€” no questions asked! If exploited, an attacker could execute harmful commands on your server, potentially compromising sensitive data or even taking control of the system entirely. This could lead to a massive security breach, putting everything at risk!

Put simply

Think of it like a mischievous diner who writes a fake order on the restaurant's ticket and gets the kitchen to cook whatever they want โ€” no questions asked! This vulnerability arises from a custom unescape callback in OpenNDS Captive Portal, which allows attackers to insert malicious OS commands via crafted HTTP GET requests, bypassing security mechanisms.

What to do

If exploited, an attacker could execute harmful commands on your server, potentially compromising sensitive data or even taking control of the system entirely. This could lead to a massive security breach, putting everything at risk! Update OpenNDS Captive Portal to version 10.1.3 or later immediately. If you're using OpenWrt, ensure you're on versions 23.05 or 22.03, which include this fix. Review your configurations and monitor for suspicious activity! You've got this! With these updates, you'll lock down the vulnerabilities and earn your security hero badge! ๐Ÿ›ก๏ธ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01083 ยท 64.9th percentile
Published
2023-11-17T00:00Z
EPSS history
Timeline
  • 17 NOV 00:00Z
    An issue was discovered in OpenNDS Captive Portal before version 10.1.2
    cvelistv5