Integer Overflow or Wraparound Affecting hyper package, versions <0.14.10


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.4% (61st percentile)

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  • Snyk IDSNYK-RUST-HYPER-1537668
  • published9 Aug 2021
  • disclosed7 Jul 2021
  • creditmattiasgrenfeldt, asta12

Introduced: 7 Jul 2021

CVE-2021-32714  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade hyper to version 0.14.10 or higher.

Overview

hyper is a modern HTTP library.

Affected versions of this package are vulnerable to Integer Overflow or Wraparound that may trigger when decoding large chunk sizes.

NOTE: for an application to be vulnerable, it must use hyper for any HTTP/1 purpose. For an application to be vulnerable to a request smuggling attack caused by this vulnerability, upstream proxies must accept chunks greater than 64 bits.

CVSS Base Scores

version 3.1