CVE-2021-3711: RUSTSEC-2021-0097 - SM2 Decryption Buffer Overflow

CVE-2021-3711 · Severity: low · CVSS 3.1 · Published 2021-08-24

SM2 Decryption Buffer Overflow

Technologies: openssl-src (crates.io). Vendors: crates.io.

Quick answers

Is CVE-2021-3711 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2021-3711 being exploited in the wild.
How severe is CVE-2021-3711?
Low severity, with a CVSS score of 3.1, published 24 August 2021.
Which products and versions are affected?
openssl-src (crates.io) SEMVER:introduced=0,fixed=111.16.0, SEMVER:introduced=0.0.0-0,fixed=111.16.0.
Is there a fix for CVE-2021-3711?
Yes. openssl-src (crates.io): upgrade to 111.16.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2021-3711?
Check whether you run openssl-src (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

  • openssl-src (crates.io): upgrade to 111.16.0 or later
    cargo update -p openssl-src

Affected products

  • openssl-src (crates.io) SEMVER:introduced=0,fixed=111.16.0, SEMVER:introduced=0.0.0-0,fixed=111.16.0

Identifiers

  • CVE-2021-3711
  • GHSA-5ww6-px42-wc85
  • RUSTSEC-2021-0097

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