CVE-2021-23840: RUSTSEC-2021-0057 - Integer overflow in CipherUpdate

CVE-2021-23840 · Severity: low · CVSS 3.1 · Published 2021-05-01

Integer overflow in CipherUpdate

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

Quick answers

Is CVE-2021-23840 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2021-23840 being exploited in the wild.
How severe is CVE-2021-23840?
Low severity, with a CVSS score of 3.1, published 1 May 2021.
Which products and versions are affected?
openssl-src (crates.io) SEMVER:introduced=0,fixed=111.14.0, SEMVER:introduced=0.0.0-0,fixed=111.14.0.
Is there a fix for CVE-2021-23840?
Yes. openssl-src (crates.io): upgrade to 111.14.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2021-23840?
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 111.14.0 or later
    cargo update -p openssl-src

Affected products

  • openssl-src (crates.io) SEMVER:introduced=0,fixed=111.14.0, SEMVER:introduced=0.0.0-0,fixed=111.14.0

Identifiers

  • CVE-2021-23840
  • GHSA-qgm6-9472-pwq7
  • RUSTSEC-2021-0057

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