Improper Input Validation Affecting rust-toolset:rhel8/rust-src package, versions <0:1.52.1-1.module+el8.4.0+11282+0729bac9


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.66% (80th percentile)

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  • Snyk IDSNYK-RHEL8-RUSTTOOLSET-4132430
  • published26 Jul 2021
  • disclosed23 Dec 2020

Introduced: 23 Dec 2020

CVE-2020-36323  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade RHEL:8 rust-toolset:rhel8/rust-src to version 0:1.52.1-1.module+el8.4.0+11282+0729bac9 or higher.
This issue was patched in RHSA-2021:3063.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rust-toolset:rhel8/rust-src package and not the rust-toolset:rhel8/rust-src package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

In the standard library in Rust before 1.52.0, there is an optimization for joining strings that can cause uninitialized bytes to be exposed (or the program to crash) if the borrowed string changes after its length is checked.

CVSS Scores

version 3.1