CVE-2021-39218: RUSTSEC-2021-0110 - Multiple Vulnerabilities in Wasmtime

CVE-2021-39218 · Severity: low · CVSS 3.1 · Published 2021-09-17

Multiple Vulnerabilities in Wasmtime

Technologies: wasmtime (crates.io), wasmtime (PyPI). Vendors: crates.io, PyPI.

Quick answers

Is CVE-2021-39218 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2021-39218 being exploited in the wild.
How severe is CVE-2021-39218?
Low severity, with a CVSS score of 3.1, published 17 September 2021.
Which products and versions are affected?
wasmtime (crates.io) SEMVER:introduced=0.0.0-0,fixed=0.30.0; wasmtime (PyPI) GIT:introduced=0,fixed=101998733b74624cbd348a2366d05760b40181f3|ECOSYSTEM:introduced=0,fixed=0.30.0, GIT:introduced=0,fixed=398a73f0dd862dbe703212ebae8e34036a18c11c|ECOSYSTEM:introduced=0,fixed=0.30.0, GIT:introduced=0,fixed=b39f087414f27ae40c44449ed5d1154e03449bff|ECOSYSTEM:introduced=0,fixed=0.30.0.
Is there a fix for CVE-2021-39218?
Yes. wasmtime (crates.io): upgrade to 0.30.0 or later; wasmtime (PyPI): upgrade to 0.30.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2021-39218?
Check whether you run wasmtime (crates.io) or wasmtime (PyPI) 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

  • wasmtime (crates.io): upgrade to 0.30.0 or later
    cargo update -p wasmtime
  • wasmtime (PyPI): upgrade to 0.30.0 or later
    pip install "wasmtime>=0.30.0"

Affected products

  • wasmtime (crates.io) SEMVER:introduced=0.0.0-0,fixed=0.30.0
  • wasmtime (PyPI) GIT:introduced=0,fixed=101998733b74624cbd348a2366d05760b40181f3|ECOSYSTEM:introduced=0,fixed=0.30.0, GIT:introduced=0,fixed=398a73f0dd862dbe703212ebae8e34036a18c11c|ECOSYSTEM:introduced=0,fixed=0.30.0, GIT:introduced=0,fixed=b39f087414f27ae40c44449ed5d1154e03449bff|ECOSYSTEM:introduced=0,fixed=0.30.0

Identifiers

  • CVE-2021-39218
  • CVE-2021-39216
  • CVE-2021-39219
  • GHSA-4873-36h9-wv49
  • GHSA-q879-9g95-56mx
  • GHSA-v4cp-h94r-m7xf
  • PYSEC-2021-320
  • PYSEC-2021-321
  • PYSEC-2021-322
  • RUSTSEC-2021-0110

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