Use After Free Affecting rust-doc package, versions <0:1.49.0-1.module+el8.4.0+9446+1a463e08


Severity

Recommended
low

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.25% (66th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk ID SNYK-CENTOS8-RUSTDOC-2110345
  • published 26 Jul 2021
  • disclosed 7 Dec 2020

How to fix?

Upgrade Centos:8 rust-doc to version 0:1.49.0-1.module+el8.4.0+9446+1a463e08 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rust-doc package and not the rust-doc package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

In the standard library in Rust before 1.49.0, VecDeque::make_contiguous has a bug that pops the same element more than once under certain condition. This bug could result in a use-after-free or double free.

CVSS Scores

version 3.1
Expand this section

NVD

9.8 critical
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
Expand this section

Red Hat

9.8 critical