Improper Input Validation Affecting symfony/symfony package, versions >=2.7.0, <2.7.51 >=2.8.0, <2.8.50 >=4.0.0, <4.1.0 >=3.4.0, <3.4.26 >=3.1.0, <3.2.0 >=4.1.0, <4.1.12 >=3.0.0, <3.1.0 >=3.3.0, <3.4.0 >=3.2.0, <3.3.0


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.16% (54th percentile)

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  • Snyk ID SNYK-PHP-SYMFONYSYMFONY-174497
  • published 24 Apr 2019
  • disclosed 24 Apr 2019
  • credit mschop

How to fix?

Upgrade symfony/symfony to version 2.7.51, 2.8.50, 4.1.0, 3.4.26, 3.2.0, 4.1.12, 3.1.0, 3.4.0, 3.3.0 or higher.

Overview

symfony/symfony is a PHP framework for web applications and a set of reusable PHP components.

Affected versions of this package are vulnerable to Improper Input Validation. The function getMethod() did not validate or escape the X-HTTP-Method-Override header or the HTTP method itself. This could result in those input being returned in dangerous contexts under certain circumstances.

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)
    Low
  • Integrity (I)
    Low
  • Availability (A)
    None