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-1734686
  • 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 HTTP parser accepts requests with a space (SP) right after the header name before the colon.

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