CVE-2024-4323CWE-122

Fluent Bit Memory Corruption Vulnerability

Critical ยท published May 20, 2024

CVSS v3.1
9.8
EPSS
27%
Percentile
98.1
In the wild
Unconfirmed
What it is

๐Ÿšจ A sneaky memory corruption vulnerability in Fluent Bit could let attackers execute their code with just a well-crafted request! ๐Ÿ”ฅ Think of it as a waiter who misreads an order and serves a mystery dish that makes everyone at the table sick โ€” your server might just crash or even have its secrets spilled! ๐Ÿฝ๏ธ If exploited, this vulnerability could lead to denial of service, leaving your services down while attackers run rampant. Worst-case scenario? An attacker could gain remote code execution, allowing them to take control of your system entirely โ€” a catastrophic breach!

Put simply

Think of it as a waiter who misreads an order and serves a mystery dish that makes everyone at the table sick โ€” your server might just crash or even have its secrets spilled! ๐Ÿฝ๏ธ This vulnerability arises from how the embedded HTTP server in Fluent Bit parses trace requests, leading to potential memory corruption that attackers can exploit.

What to do

If exploited, this vulnerability could lead to denial of service, leaving your services down while attackers run rampant. Worst-case scenario? An attacker could gain remote code execution, allowing them to take control of your system entirely โ€” a catastrophic breach! Update Fluent Bit to version 3.0.4 or later immediately to patch this vulnerability. Additionally, review your server configurations to ensure they are secure against such attacks from the get-go. ๐Ÿ›ก๏ธ You've got this! Fix this vulnerability and keep your systems safe! ๐Ÿš€

The record
Technical detail
CVSS v3.1
9.8 ยท 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
0.27244 ยท 98.1th percentile
Weakness
CWE-122 ยท Heap-based Buffer Overflow
Published
2024-05-20T12:06Z
EPSS history
Timeline
  • 20 MAY 12:06Z
    Fluent Bit Memory Corruption Vulnerability
    cvelistv5