CVE-2021-3756CWE-122

Heap-based Buffer Overflow in hoene/libmysofa

Medium · published October 29, 2021

CVSS v3.0
6.2
EPSS
1%
Percentile
64.5
In the wild
Unconfirmed
What it is

⚠️ A sneaky heap-based buffer overflow lurks in libmysofa, which could let attackers take control with the right input! Think of it like a crowded restaurant where a single overcooked dish spills over onto your neighbor’s table, causing a domino effect of chaos. That's how a buffer overflow can spill data into unintended areas, leading to potential mischief. An attacker could exploit this vulnerability to corrupt memory, potentially leading to denial of service or arbitrary code execution within the application. While it’s not actively exploited right now, the risk is there, and no one wants a rogue chef in their kitchen!

Put simply

Think of it like a crowded restaurant where a single overcooked dish spills over onto your neighbor’s table, causing a domino effect of chaos. That's how a buffer overflow can spill data into unintended areas, leading to potential mischief. This heap-based buffer overflow occurs when the application fails to properly validate the size of input data, allowing attackers to overwrite the heap memory, which can lead to unpredictable behavior or even allow executing malicious code.

What to do

An attacker could exploit this vulnerability to corrupt memory, potentially leading to denial of service or arbitrary code execution within the application. While it’s not actively exploited right now, the risk is there, and no one wants a rogue chef in their kitchen! To secure your application, update to the latest patched version of libmysofa as soon as possible. Additionally, conduct thorough input validation checks to ensure data fits within expected bounds. Regularly review your dependencies for vulnerabilities to stay ahead! You've got this! Secure your systems and keep that kitchen running smoothly! 🛡️

The record
Technical detail
CVSS v3.0
6.2 · MEDIUM
Vector
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
CVSS v4.0
Not supplied
EPSS
0.01069 · 64.5th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2021-10-29T15:55Z
EPSS history
Timeline
  • 29 OCT 15:55Z
    Heap-based Buffer Overflow in hoene/libmysofa
    cvelistv5