CVE-2015-8125

Description

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 the (1) Symfony/Component/Security/Http/RememberMe/PersistentTokenBasedRememberMeServices or (2) Symfony/Component/Security/Http/Firewall/DigestAuthenticationListener class in the Symfony Security Component, or (3) legacy CSRF implementation from the Symfony/Component/Form/Extension/Csrf/CsrfProvider/DefaultCsrfProvider class in the Symfony Form component.

How to fix CVE-2015-8125

To remediate CVE-2015-8125, upgrade the affected package to a fixed version below.

• —upgrade to 2.7.7+dfsg-1 or later
• —upgrade to 2.3.35 or later
• —upgrade to 2.3.35 or later
• —upgrade to 2.6.12 or later
• —upgrade to 2.3.35 or later

Is CVE-2015-8125 being exploited?

Low — EPSS is 1.0%, meaning exploitation activity has not been observed at scale.

Affected packages (5)

• from 0, < 2.7.7+dfsg-1
• >= 2.3.0, < 2.3.35
• >= 2.3.0, < 2.3.35
• >= 2.4.0, < 2.6.12
• >= 2.3.0, < 2.3.35

References (14)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2015-8125
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2015-8125
• WEBlists.fedoraproject.org/pipermail/package-announce/2015-December/173271.html
• WEBlists.fedoraproject.org/pipermail/package-announce/2015-December/173300.html