Arbitrary Code Execution 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

    Exploit Maturity
    Proof of concept
    EPSS
    2.01% (90th percentile)

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  • Snyk ID SNYK-PHP-SYMFONYSYMFONY-174496
  • published 24 Apr 2019
  • disclosed 17 Apr 2019
  • credit Nicolas Grekas

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 Arbitrary Code Execution. Service IDs derived from unfiltered user input could result in the execution of any arbitrary code.

CVSS Scores

version 3.1
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Snyk

Recommended
5.4 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    Low
  • Availability (A)
    None
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NVD

9.8 critical