CVE-2024-41184

In the vrrp_ipsets_handler handler (fglobal_parser.c) of keepalived through 2.3.1, an integer overflow can occur

Critical · published July 18, 2024

CVSS v3.1
9.8
EPSS
1%
Percentile
49.1
In the wild
Unconfirmed
What it is

🔥 An integer overflow in Keepalived could lead to serious mischief if an empty ipset name is configured — it's like a recipe that gets out of hand, ballooning into a kitchen disaster! Picture this: you're baking a cake, and you accidentally add ten times the sugar because you misread a measurement. The result? A sugary chaos that no one can control, much like how an integer overflow in Keepalived can create unpredictable behavior if user input isn't carefully managed. An attacker could exploit this overflow to potentially disrupt your network services, leading to instability or even downtime. In critical environments, where uptime is paramount, the consequences could be absolutely devastating!

Put simply

Picture this: you're baking a cake, and you accidentally add ten times the sugar because you misread a measurement. The result? A sugary chaos that no one can control, much like how an integer overflow in Keepalived can create unpredictable behavior if user input isn't carefully managed. This vulnerability in the vrrp_ipsets_handler of Keepalived allows an integer overflow when the user configures an empty ipset name, which can lead to unexpected behavior during execution.

What to do

An attacker could exploit this overflow to potentially disrupt your network services, leading to instability or even downtime. In critical environments, where uptime is paramount, the consequences could be absolutely devastating! To protect yourself, ensure you update to the latest Keepalived version (2.3.2 or higher) where this issue is resolved. Also, review your configurations to avoid using empty ipset names. It's crucial to maintain proper input validation! You've got this! Follow these steps and keep your network secure! 🛡️

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
0.00621 · 49.1th percentile
Published
2024-07-18T00:00Z
EPSS history
Timeline
  • 18 JUL 00:00Z
    In the vrrp_ipsets_handler handler (fglobal_parser.c) of keepalived through 2.3.1, an integer overflow can occur
    cvelistv5