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Open Redirection in Login Handling

Moderate
ohader published GHSA-4jhw-2p6j-5wmp Mar 16, 2021

Package

composer typo3/cms-core (Composer)

Affected versions

6.2.0-6.2.56, 7.0.0-7.6.50, 8.0.0-8.7.39, 9.0.0-9.5.24, 10.0.0-10.4.13, 11.0.0-11.1.0

Patched versions

6.2.57, 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1

Description

Meta

  • CVSS: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N/E:F/RL:O/RC:C (4.4)
  • CWE-601
  • Status: DRAFT

Problem

It has been discovered that Login Handling is susceptible to open redirection which allows attackers redirecting to arbitrary content, and conducting phishing attacks. No authentication is required in order to exploit this vulnerability.

Solution

Update to TYPO3 versions 6.2.57, 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 that fix the problem described.

Credits

Thanks to Alexander Kellner who reported this issue and to TYPO3 security team member Torben Hansen who fixed the issue.

References

Severity

Moderate

CVE ID

CVE-2021-21338

Weaknesses

Credits