CVE-2020-35864: RUSTSEC-2020-0009 - `read_scalar` and `read_scalar_at` allow transmuting values without `unsafe` blocks

CVE-2020-35864 · Severity: low · CVSS 3.1 · Published 2020-04-11

`read_scalar` and `read_scalar_at` allow transmuting values without `unsafe` blocks

Technologies: flatbuffers (crates.io). Vendors: crates.io.

Quick answers

Is CVE-2020-35864 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2020-35864 being exploited in the wild.
How severe is CVE-2020-35864?
Low severity, with a CVSS score of 3.1, published 11 April 2020.
Which products and versions are affected?
flatbuffers (crates.io) SEMVER:introduced=0.4.0,fixed=2.0.0.
Is there a fix for CVE-2020-35864?
Yes. flatbuffers (crates.io): upgrade to 2.0.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2020-35864?
Check whether you run flatbuffers (crates.io) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • flatbuffers (crates.io): upgrade to 2.0.0 or later
    cargo update -p flatbuffers

Affected products

  • flatbuffers (crates.io) SEMVER:introduced=0.4.0,fixed=2.0.0

Identifiers

  • CVE-2020-35864
  • GHSA-c9h5-hf8r-m97x
  • RUSTSEC-2020-0009

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