HTTP Request Smuggling Affecting llhttp package, versions *


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.6% (79th percentile)

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  • Snyk ID SNYK-JS-LLHTTP-2946424
  • published 10 Jul 2022
  • disclosed 8 Jul 2022
  • credit Zeyu Zhang

How to fix?

A fix was pushed into the master branch but not yet published.

Overview

llhttp is a port of http_parser to llparse.

Affected versions of this package are vulnerable to HTTP Request Smuggling when the llhttp parser in the http module does not correctly parse and validate Transfer-Encoding headers.

CVSS Scores

version 3.1
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Snyk

Recommended
6.5 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    Low
  • Availability (A)
    None
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NVD

6.5 medium
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SUSE

6.8 medium
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Red Hat

6.5 medium