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CVE-2019-17563: Session Fixation

December 23, 2019 (updated December 31, 2019)

When using FORM authentication with Apache Tomcat there is a narrow window where an attacker could perform a session fixation attack. The window was considered too narrow for an exploit to be practical but, erring on the side of caution, this issue has been treated as a security vulnerability.

References

  • nvd.nist.gov/vuln/detail/CVE-2019-17563

Code Behaviors & Features

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Affected versions

All versions starting from 7.0.0 up to 7.0.98, all versions starting from 8.5.0 up to 8.5.49, all versions starting from 9.0.0.M1 up to 9.0.29

Fixed versions

  • 7.0.99
  • 8.5.50
  • 9.0.30

Solution

Upgrade to versions 7.0.99, 8.5.50, 9.0.30 or above.

Impact 9.8 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-384: Session Fixation

Source file

maven/org.apache.tomcat/tomcat/CVE-2019-17563.yml

Spotted a mistake? Edit the file on GitLab.

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