CVE-2021-45709

An issue was discovered in the crypto2 crate through 2021-10-08 for Rust

published December 26, 2021

CVSS
—
EPSS
1%
Percentile
55.4
In the wild
Unconfirmed
What it is

⚠️ A minor misalignment during Chacha20 encryption could lead to unexpected behavior! Think of it as an orchestra where the musicians aren’t quite in sync. 🎶 This vulnerability is like a restaurant where the kitchen staff are preparing meals without checking whether the ingredients have been properly aligned in the recipe — if an ingredient is off, the dish might end up tasting totally wrong! While there’s no immediate critical risk here, if exploited, it could lead to unpredictability in cryptographic operations, potentially compromising the integrity of the encrypted data. Imagine the confusion of receiving a meal that's not what you ordered — it could cause chaos in expected functionalities!

Put simply

This vulnerability is like a restaurant where the kitchen staff are preparing meals without checking whether the ingredients have been properly aligned in the recipe — if an ingredient is off, the dish might end up tasting totally wrong! The crypto2 crate in Rust may experience unaligned reads of a u32 during Chacha20 encryption and decryption, which could result in incorrect data handling or cryptographic output.

What to do

While there’s no immediate critical risk here, if exploited, it could lead to unpredictability in cryptographic operations, potentially compromising the integrity of the encrypted data. Imagine the confusion of receiving a meal that's not what you ordered — it could cause chaos in expected functionalities! To mitigate this issue, ensure that you’re using the latest version of the crypto2 crate. Regularly review your dependencies for updates and follow best practices in memory alignment for secure cryptographic implementations. When in doubt, consider consulting the Rust documentation for further guidance. You’re on the right track! Stay proactive about updating your libraries, and you’ll keep your projects secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00778 · 55.4th percentile
Published
2021-12-26T21:47Z
EPSS history
Timeline
  • 26 DEC 21:47Z
    An issue was discovered in the crypto2 crate through 2021-10-08 for Rust
    cvelistv5