CVE-2019-15552

An issue was discovered in the libflate crate before 0.1.25 for Rust

published August 26, 2019

CVSS
—
EPSS
2%
Percentile
84.3
In the wild
Unconfirmed
What it is

⚠️ This sneaky use-after-free in libflate can lead to arbitrary code execution — like accidentally using an empty lunchbox that still held last week's leftovers! 🍱 Imagine you’re trying to serve a dish from a pot that’s still on the stove, but the pot is empty. You think it’s safe, but you could burn yourself if you’re not careful! This vulnerability allows an attacker to execute arbitrary code by exploiting a situation where memory is accessed after it has been freed, leading to catastrophic results. An attacker could potentially take control of your application, running detrimental code that could access sensitive information or disrupt service. This could lead to data breaches or system outages, both of which could be devastating for any application relying on libflate.

Put simply

Imagine you’re trying to serve a dish from a pot that’s still on the stove, but the pot is empty. You think it’s safe, but you could burn yourself if you’re not careful! This vulnerability allows an attacker to execute arbitrary code by exploiting a situation where memory is accessed after it has been freed, leading to catastrophic results. The vulnerability in libflate (prior to version 0.1.25) occurs due to a use-after-free condition in the MultiDecoder::read function. This flaw allows attackers to manipulate memory access, paving the way for arbitrary code execution.

What to do

An attacker could potentially take control of your application, running detrimental code that could access sensitive information or disrupt service. This could lead to data breaches or system outages, both of which could be devastating for any application relying on libflate. To protect against this vulnerability, upgrade libflate to version 0.1.25 or later. Additionally, review your code to ensure safe memory management practices are in place, reducing the chances of similar vulnerabilities in the future. You've got this! With these steps, you'll be well on your way to securing your application like a pro! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02458 · 84.3th percentile
Published
2019-08-26T14:41Z
EPSS history
Timeline
  • 26 AUG 14:41Z
    An issue was discovered in the libflate crate before 0.1.25 for Rust
    cvelistv5