CVE-2021-29936

An issue was discovered in the adtensor crate through 2021-01-11 for Rust

published April 1, 2021

CVSS
—
EPSS
1%
Percentile
71.8
In the wild
Unconfirmed
What it is

⚠️ Here's a quirky one: uninitialized memory is leaking out in the adtensor crate for Rust! It's like finding an unopened package left behind by a delivery driver—what's inside could be anything! 📦 Think of it as a restaurant where the cooks accidentally leave some dishes half-finished. If the server brings out those incomplete orders, diners might get something they weren't expecting—potentially a recipe for disaster! 🍽️ An attacker could exploit this quirk to read sensitive data that was supposed to remain hidden. While it’s not an outright breach, the consequences could lead to a loss of data integrity or even obscure vulnerabilities later on if further mishandled.

Put simply

Think of it as a restaurant where the cooks accidentally leave some dishes half-finished. If the server brings out those incomplete orders, diners might get something they weren't expecting—potentially a recipe for disaster! 🍽️ The issue arises from the FromIterator implementation for Vector and Matrix, where uninitialized memory is dropped without being properly handled. This can lead to unpredictable behavior when that memory is accessed later on.

What to do

An attacker could exploit this quirk to read sensitive data that was supposed to remain hidden. While it’s not an outright breach, the consequences could lead to a loss of data integrity or even obscure vulnerabilities later on if further mishandled. Developers should immediately review their usage of the adtensor crate and apply any patches or updates released post-January 2021. Implement proper checks to ensure that memory is always initialized before use. You've got this! Tackling these quirks keeps your projects safe and sound! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01373 · 71.8th percentile
Published
2021-04-01T04:23Z
EPSS history
Timeline
  • 01 APR 04:23Z
    An issue was discovered in the adtensor crate through 2021-01-11 for Rust
    cvelistv5