CVE-2021-45686

An issue was discovered in the csv-sniffer crate through 2021-01-05 for Rust

published December 26, 2021

CVSS
—
EPSS
1%
Percentile
68.7
In the wild
Unconfirmed
What it is

⚠️ A preamble_skipcount that reads from uninitialized memory could lead to all sorts of unexpected chaos! Think of it like a restaurant that serves a dish without checking the ingredients first – you might end up with something you didn't order. This flaw lets the csv-sniffer crate access random, undefined data, which can cause unpredictable behavior! If exploited, this vulnerability could lead to corrupted outputs or erratic behavior in applications relying on the csv-sniffer for parsing CSV files. While there's no known exploitation yet, the potential for data mishaps is definitely something to keep an eye on!

Put simply

Think of it like a restaurant that serves a dish without checking the ingredients first – you might end up with something you didn't order. This flaw lets the csv-sniffer crate access random, undefined data, which can cause unpredictable behavior! The csv-sniffer crate has an issue in the preamble_skipcount function where it may read from uninitialized memory locations, which can return random data instead of intended values, leading to unreliable CSV parsing results.

What to do

If exploited, this vulnerability could lead to corrupted outputs or erratic behavior in applications relying on the csv-sniffer for parsing CSV files. While there's no known exploitation yet, the potential for data mishaps is definitely something to keep an eye on! To mitigate this issue, ensure that you're using a more recent version of the csv-sniffer crate that addresses this memory read vulnerability. It's crucial to regularly review and update your dependencies to safeguard against such issues. Consider conducting additional testing on your application to ensure its stability after updates. You've got this! By staying proactive and applying these fixes, you'll keep your Rust projects sailing smoothly! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01230 · 68.7th percentile
Published
2021-12-26T21:44Z
EPSS history
Timeline
  • 26 DEC 21:44Z
    An issue was discovered in the csv-sniffer crate through 2021-01-05 for Rust
    cvelistv5