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
    0.16% (53rd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • 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
Expand this section

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