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Vulnerability DatabaseRUSTSEC-2024-0404

RUSTSEC-2024-0404: 
Rust vulnerability analysis and mitigation

Overview

The vulnerability (RUSTSEC-2024-0404) affects the anstream crate, which contains an unsoundness issue related to multibyte sequences handling. The issue was discovered on January 11, 2024, when it was found that the crate incorrectly processes UTF-8 strings containing escape sequences (GitHub Issue).

Technical details

The vulnerability occurs in the crates/anstream/src/adapter/strip.rs file where the code incorrectly segments UTF-8 bytes when processing strings containing both multibyte characters and escape sequences. For example, when processing a valid UTF8 string "ö\x1b😀", the code incorrectly interprets the bytes \x1b\xf0 as a non-printable sequence, leading to incorrect str creation via str::from_utf8_unchecked (GitHub Issue).

Impact

This vulnerability can lead to the creation of invalid UTF-8 strings through unsafe code, potentially causing memory safety violations and undefined behavior in applications using the affected versions of the anstream crate (GitHub Issue).

Mitigation and workarounds

The issue has been fixed in version 0.6.15-1 of the rust-anstream package. Users should upgrade to this or later versions to resolve the vulnerability (Debian Tracker).

Additional resources

Source: This report was generated using AI

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