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Symfony Information Disclosure Vulnerability (GHSA-5pv8-ppvj-4h68)

Information

Severity

Severity

Medium

Family

Family

Web application abuses

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Solution Type

Solution Type

Vendor Patch

Created

Created

2 years ago

Modified

Modified

2 years ago

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.

Common Vulnerabilities and Exposures (CVE)