Out-of-Bounds 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
0.11% (46th percentile)

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  • Snyk IDSNYK-RHEL8-RUSTTOOLSET-4082517
  • published26 Jul 2021
  • disclosed16 Jan 2021

Introduced: 16 Jan 2021

CVE-2021-28877  (opens in a new tab)
CWE-119  (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 1.51.0, the Zip implementation calls __iterator_get_unchecked() for the same index more than once when nested. This bug can lead to a memory safety violation due to an unmet safety requirement for the TrustedRandomAccess trait.

CVSS Scores

version 3.1