CVE-2020-35880
Rust vulnerability analysis and mitigation

Overview

An issue was discovered in the bigint crate through 2020-05-07 for Rust, which allows a soundness violation. The vulnerability was reported on May 7, 2020, and officially issued on October 1, 2020. The bigint crate was found to be unmaintained and contains several known bugs (RustSec Advisory).

Technical details

The vulnerability has been assigned a CVSS Score of 9.8 (CRITICAL) with the following vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. This indicates a critical severity with network attack vector, low attack complexity, no privileges required, and no user interaction needed. The scope is unchanged, with high impact on confidentiality, integrity, and availability (RustSec Advisory).

Impact

The vulnerability affects the bigint crate's functionality and security, with potential high impact on system confidentiality, integrity, and availability. The critical CVSS score of 9.8 indicates severe potential consequences if exploited (RustSec Advisory).

Exploitability

The vulnerability has low attack complexity and requires no special privileges or user interaction to exploit. It can be accessed through network vectors, making it highly exploitable (RustSec Advisory).

Mitigation and workarounds

Users are advised to switch to the uint crate instead of bigint, as the latter is no longer maintained and contains known bugs. There are no patched versions available for the bigint crate (RustSec Advisory).

Additional resources


SourceThis report was generated using AI

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