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
    0.49% (77th percentile)

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  • Snyk ID SNYK-JS-LLHTTP-1734682
  • published 13 Oct 2021
  • disclosed 13 Oct 2021
  • credit Mattias Grenfeldt, Asta Olofsson

How to fix?

There is no fixed version for llhttp.

Overview

llhttp is a port of http_parser to llparse.

Affected versions of this package are vulnerable to HTTP Request Smuggling via llhttp. The parse ignores chunk extensions when parsing the body of chunked requests.

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

6.1 medium
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Red Hat

6.1 medium