Vulnerability DatabaseGHSA-72r2-rg28-47v9

GHSA-72r2-rg28-47v9
Rust vulnerability analysis and mitigation

Overview

The vulnerability (GHSA-72r2-rg28-47v9) affects the bite crate in Rust, specifically versions 0.0.5 and earlier. The issue was discovered on December 31, 2020, and was published to the GitHub Advisory Database on June 16, 2022. The vulnerability involves the bite::read::BiteReadExpandedExt::readframedmax method, which creates and uses an uninitialized buffer in an unsafe manner (GitHub Advisory, RustSec Advisory).

Technical details

The vulnerability exists in the readframedmax method where it creates an uninitialized buffer and passes it to a user-provided Read implementation. According to the Read trait documentation, it is the responsibility of the implementer to ensure that the buffer is initialized before calling read. Using an uninitialized buffer (obtained via MaybeUninit) is not safe and can lead to undefined behavior in Rust (GitHub Issue).

Impact

This vulnerability is classified as High severity and can lead to memory-safety and soundness issues in Rust applications using the affected versions of the bite crate. The issue potentially exposes applications to undefined behavior when reading from uninitialized memory (GitHub Advisory, RustSec Advisory).

Mitigation and workarounds

Currently, there are no patched versions available for this vulnerability. Users of the bite crate versions 0.0.5 and earlier should be aware of this security issue and consider alternative implementations that properly initialize buffers before reading (GitHub Advisory).

Additional resources


SourceThis report was generated using AI

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