User Enumeration Affecting symfony/security-http package, versions >=4.2.0, <4.2.12 >=4.3.0, <4.3.8
Snyk CVSS
Attack Complexity
Low
Threat Intelligence
EPSS
0.17% (53rd
percentile)
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Test your applications- Snyk ID SNYK-PHP-SYMFONYSECURITYHTTP-535382
- published 22 Nov 2019
- disclosed 13 Nov 2019
- credit Matt Daum
Introduced: 13 Nov 2019
CVE-2019-18886 Open this link in a new tabHow to fix?
Upgrade symfony/security-http
to version 4.2.12, 4.3.8 or higher.
Overview
symfony/security-http is a provides an infrastructure for sophisticated authorization systems, which makes it possible to easily separate the actual authorization logic from so called user providers that hold the users credentials.
Affected versions of this package are vulnerable to User Enumeration. The ability to enumerate users was possible due to different handling depending on whether the user existed when making unauthorized attempts to use the switch users functionality.