CVE-2023-36328

Integer Overflow vulnerability in mp_grow in libtom libtommath before commit beba892bc0d4e4ded4d667ab1d2a94f4d75109a9, allows attackers to execute arbitrary…

Critical · published September 1, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
69.6
In the wild
Unconfirmed
What it is

🔥 An integer overflow vulnerability in libtommath could let attackers execute arbitrary code — it’s like a recipe that accidentally doubles every ingredient, leading to a catastrophic kitchen disaster! Think of libtommath as a chef measuring ingredients. If the chef miscalculates and ends up with an overflowing pot, the whole kitchen is at risk of chaos. That’s what happens here when input values grow too large—things can get out of hand in a flash! This vulnerability could allow an attacker to execute arbitrary code, potentially leading to a complete system takeover or a denial of service (DoS). Picture a malicious chef who not only spoils the dish but also locks you out of your kitchen entirely — that’s the level of havoc this flaw can unleash!

Put simply

Think of libtommath as a chef measuring ingredients. If the chef miscalculates and ends up with an overflowing pot, the whole kitchen is at risk of chaos. That’s what happens here when input values grow too large—things can get out of hand in a flash! The integer overflow in mp_grow allows for unexpected large values that can lead to memory corruption. This means an attacker can manipulate input to cause the application to behave unpredictably, exposing it to arbitrary code execution.

What to do

This vulnerability could allow an attacker to execute arbitrary code, potentially leading to a complete system takeover or a denial of service (DoS). Picture a malicious chef who not only spoils the dish but also locks you out of your kitchen entirely — that’s the level of havoc this flaw can unleash! Update libtommath to the latest version beyond commit beba892bc0d4e4ded4d667ab1d2a94f4d75109a9 to address this vulnerability. Be sure to audit any input values to prevent this overflow from wreaking havoc on your systems. Don't let this sneak past your defenses! 🔐 You've got this! Stay proactive, patch that code, and keep your kitchen safe! 🛡️

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
0.01265 · 69.6th percentile
Published
2023-09-01T00:00Z
EPSS history
Timeline
  • 01 SEP 00:00Z
    Integer Overflow vulnerability in mp_grow in libtom libtommath before commit beba892bc0d4e4ded4d667ab1d2a94f4d75109a9, allows attackers to execute arbitrary…
    cvelistv5