Improper Input Validation Affecting guzzlehttp/psr7 package, versions <1.8.4 >=2.0.0, <2.1.1


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.19% (57th percentile)

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  • Snyk ID SNYK-PHP-GUZZLEHTTPPSR7-2431148
  • published 22 Mar 2022
  • disclosed 22 Mar 2022
  • credit Unknown

How to fix?

Upgrade guzzlehttp/psr7 to version 1.8.4, 2.1.1 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation due to improper parsing of headers. An attacker could sneak in a new line character and pass untrusted values.

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)
    None
  • Integrity (I)
    Low
  • Availability (A)
    Low
Expand this section

NVD

7.5 high