CWE
330 329
Advisory Published
Updated

CVE-2020-5408: Dictionary attack with Spring Security queryable text encryptor

First published: Thu May 14 2020(Updated: )

Spring Security versions 5.3.x prior to 5.3.2, 5.2.x prior to 5.2.4, 5.1.x prior to 5.1.10, 5.0.x prior to 5.0.16 and 4.2.x prior to 4.2.16 use a fixed null initialization vector with CBC Mode in the implementation of the queryable text encryptor. A malicious user with access to the data that has been encrypted using such an encryptor may be able to derive the unencrypted values using a dictionary attack.

Credit: security@pivotal.io

Affected SoftwareAffected VersionHow to fix
Pivotal Software Spring Security>=5.2.0<5.2.4
Pivotal Software Spring Security>=5.3.0<5.3.2
Vmware Spring Security>=4.2.0<4.2.16
Vmware Spring Security>=5.0.0<5.0.16
Vmware Spring Security>=5.1.0<5.1.10

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Frequently Asked Questions

  • What is CVE-2020-5408?

    CVE-2020-5408 is a vulnerability in Spring Security versions 5.3.x prior to 5.3.2, 5.2.x prior to 5.2.4, 5.1.x prior to 5.1.10, 5.0.x prior to 5.0.16, and 4.2.x prior to 4.2.16 that allows a malicious user with access to the data to bypass security measures.

  • How does CVE-2020-5408 affect Spring Security?

    CVE-2020-5408 affects Spring Security by using a fixed null initialization vector with CBC Mode in the implementation of the queryable text encryptor, which can be exploited by a malicious user with access to the data.

  • What is the severity of CVE-2020-5408?

    The severity of CVE-2020-5408 is medium with a CVSS score of 6.5.

  • Which software versions are affected by CVE-2020-5408?

    CVE-2020-5408 affects Spring Security versions 5.3.x prior to 5.3.2, 5.2.x prior to 5.2.4, 5.1.x prior to 5.1.10, 5.0.x prior to 5.0.16, and 4.2.x prior to 4.2.16.

  • How can I fix CVE-2020-5408?

    To fix CVE-2020-5408, upgrade to Spring Security versions 5.3.2, 5.2.4, 5.1.10, 5.0.16, or 4.2.16, which contain the necessary security patches.

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