CVE-2016-2403: Critical severity SensioLabs Symfony vulnerability
Published May 9, 2016
·Updated
CVE-2016-2403: Unauthorized access on a misconfigured Ldap server when using an empty password
Other sources
Symfony before 2.8.6 and 3.x before 3.0.6 allows remote attackers to bypass authentication by logging in with an empty password and valid username, which triggers an unauthenticated bind.
Affected Software
22 affected componentsFixes available
composer/symfony/symfony>=2.8.0, <2.8.6, >=3.0.0, <3.0.6
composer/symfony/security-core>=2.8.0, <2.8.6, >=3.0.0, <3.0.6
composer/symfony/security>=2.8.0, <2.8.6, >=3.0.0, <3.0.6
debian/symfony
3.4.22+dfsg-2+deb10u13.4.22+dfsg-2+deb10u24.4.19+dfsg-2+deb11u35.4.23+dfsg-15.4.29+dfsg-15.4.30+dfsg-1
composer/symfony/symfony>=3.0.0<3.0.6
3.0.6
composer/symfony/symfony>=2.8.0<2.8.6
2.8.6
composer/symfony/security>=3.0.0<3.0.6
3.0.6
composer/symfony/security>=2.8.0<2.8.6
2.8.6
composer/symfony/security-core>=3.0.0<3.0.6
3.0.6
composer/symfony/security-core>=2.8.0<2.8.6
2.8.6
SensioLabs Symfony=2.8.0
SensioLabs Symfony=2.8.1
SensioLabs Symfony=2.8.2
SensioLabs Symfony=2.8.3
SensioLabs Symfony=2.8.4
SensioLabs Symfony=2.8.5
SensioLabs Symfony=3.0.0
SensioLabs Symfony=3.0.1
SensioLabs Symfony=3.0.2
SensioLabs Symfony=3.0.3
SensioLabs Symfony=3.0.4
SensioLabs Symfony=3.0.5
Event History
May 9, 2016
Advisory Published
09:35 PM
Feb 7, 2017
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
Description
Data Sourced
via NVD·05:59 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2016-2403?
CVE-2016-2403 is classified as a critical vulnerability due to its potential to allow unauthorized access.
2
How do I fix CVE-2016-2403?
To remediate CVE-2016-2403, upgrade Symfony to version 2.8.6 or 3.0.6 or later.
3
What versions are affected by CVE-2016-2403?
CVE-2016-2403 affects Symfony versions 2.8.0 through 2.8.6 and 3.0.0 through 3.0.6.
4
What kind of security risk does CVE-2016-2403 present?
CVE-2016-2403 presents a security risk of unauthorized access, allowing attackers to authenticate with empty passwords.
5
Is CVE-2016-2403 specific to any web framework?
Yes, CVE-2016-2403 specifically affects the Symfony framework versions mentioned.