CVE-2018-21000

An issue was discovered in the safe-transmute crate before 0.10.1 for Rust

published August 26, 2019

CVSS
—
EPSS
2%
Percentile
80.3
In the wild
Unconfirmed
What it is

⚠️ A constructor mixing up its arguments could lead to some unexpected behaviors! This heap memory corruption bug in the safe-transmute crate before version 0.10.1 could spell trouble if left unchecked. 🔥 Think of this like a recipe where the chef adds salt before sugar—sure, it’s fixable, but it can definitely ruin the dish! In this case, the wrong order of constructor arguments could lead to memory mishaps, mixing things up in the heap like a jumbled pantry. If exploited, this vulnerability could lead to unpredictable behavior in your Rust application, potentially crashing processes or corrupting data. While it's not currently known to be actively exploited, the risk of instability is something you don't want lingering in your code!

Put simply

Think of this like a recipe where the chef adds salt before sugar—sure, it’s fixable, but it can definitely ruin the dish! In this case, the wrong order of constructor arguments could lead to memory mishaps, mixing things up in the heap like a jumbled pantry. The issue arises from a constructor in the safe-transmute crate, which incorrectly orders its arguments, leading to potential heap memory corruption. This flaw allows for improper handling of memory allocation and could compromise application stability.

What to do

If exploited, this vulnerability could lead to unpredictable behavior in your Rust application, potentially crashing processes or corrupting data. While it's not currently known to be actively exploited, the risk of instability is something you don't want lingering in your code! To protect your application, upgrade the safe-transmute crate to version 0.10.1 or later immediately. Regularly audit your dependencies for updates, and consider implementing rigorous testing to catch any similar issues in the future. You've got this! Fixing this bug will help keep your Rust applications running smoothly. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01977 · 80.3th percentile
Published
2019-08-26T14:29Z
EPSS history
Timeline
  • 26 AUG 14:29Z
    An issue was discovered in the safe-transmute crate before 0.10.1 for Rust
    cvelistv5