CVE-2020-35863: RUSTSEC-2020-0008 - Flaw in hyper allows request smuggling by sending a body in GET requests

CVE-2020-35863 · Severity: low · CVSS 3.1 · Published 2020-03-19

Flaw in hyper allows request smuggling by sending a body in GET requests

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

Quick answers

Is CVE-2020-35863 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2020-35863 being exploited in the wild.
How severe is CVE-2020-35863?
Low severity, with a CVSS score of 3.1, published 19 March 2020.
Which products and versions are affected?
hyper (crates.io) SEMVER:introduced=0.11.0,fixed=0.12.34.
Is there a fix for CVE-2020-35863?
Yes. hyper (crates.io): upgrade to 0.12.34 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2020-35863?
Check whether you run hyper (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

  • hyper (crates.io): upgrade to 0.12.34 or later
    cargo update -p hyper

Affected products

  • hyper (crates.io) SEMVER:introduced=0.11.0,fixed=0.12.34

Identifiers

  • CVE-2020-35863
  • GHSA-h3qr-rq2j-74w4
  • RUSTSEC-2020-0008

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