Timing Attack Affecting symfony/symfony package, versions >=2.3.0, <2.3.35 >=2.6.0, <2.6.12 >=2.4.0, <2.5.0 >=2.7.0, <2.7.7 >=2.5.0, <2.6.0


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    1.06% (85th percentile)

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  • Snyk ID SNYK-PHP-SYMFONYSYMFONY-70219
  • published 23 Nov 2015
  • disclosed 23 Nov 2015
  • credit Sebastiaan Stok

How to fix?

Upgrade symfony/symfony to version 2.3.35, 2.6.12, 2.5.0, 2.7.7, 2.6.0 or higher.

Overview

Affected versions of symfony/symfony are vulnerable to Timing Attack.

Symfony 2.3.x before 2.3.35, 2.6.x before 2.6.12, and 2.7.x before 2.7.7 might allow remote attackers to have unspecified impact via a timing attack involving:

  • Symfony/Component/Security/Http/RememberMe/PersistentTokenBasedRememberMeServices or
  • Symfony/Component/Security/Http/Firewall/DigestAuthenticationListener class in the Symfony Security Component, or
  • legacy CSRF implementation from the Symfony/Component/Form/Extension/Csrf/CsrfProvider/DefaultCsrfProvider class in the Symfony Form component.

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
7.3 high
  • 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)
    Low
Expand this section

NVD

7.3 high