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Symfony Information Disclosure Vulnerability (GHSA-5pv8-ppvj-4h68)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Symfony is prone to an information disclosure vulnerability.
Insight
Insight
The ability to enumerate users is possible without relevant permissions due to different exception messages depending on whether the user existed or not. It is also possible to enumerate users by using a timing attack, by comparing time elapsed when authenticating an existing user and authenticating a non-existing user.
Affected Software
Affected Software
Symfony version 2.8.0 through 3.4.47, 4.0.0 through 4.4.22 and 5.0.0 through 5.2.7.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 3.4.48, 4.4.23, 5.2.8 or later.