CVE-2019-10754: Weak RNG

Published Sep 23, 2019
·
Updated

Multiple classes used within Apereo CAS before release 6.1.0-RC5 makes use of apache commons-lang3 RandomStringUtils for token and ID generation which makes them predictable due to RandomStringUtils PRNG's algorithm not being cryptographically strong.

Affected Software

5 affected components
Apereo Central Authentication Service<=6.0.5.1
Apereo Central Authentication Service=6.1.0-rc1
Apereo Central Authentication Service=6.1.0-rc2
Apereo Central Authentication Service=6.1.0-rc3
Apereo Central Authentication Service=6.1.0-rc4

Event History

Sep 23, 2019
CVE Published
via MITRE·10:09 PM
Data Sourced
via MITRE·10:09 PM
DescriptionWeakness
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Frequently Asked Questions

1

What is CVE-2019-10754?

CVE-2019-10754 is a vulnerability found in Apereo CAS before release 6.1.0-RC5 that makes token and ID generation predictable due to the weak algorithm used.

2

What software is affected by CVE-2019-10754?

Apereo Central Authentication Service versions 6.0.5.1, 6.1.0-rc1, 6.1.0-rc2, 6.1.0-rc3, and 6.1.0-rc4 are affected by CVE-2019-10754.

3

What is the severity of CVE-2019-10754?

CVE-2019-10754 has a severity rating of 8.1, which is considered high.

4

How can I fix CVE-2019-10754?

To fix CVE-2019-10754, update Apereo CAS to release 6.1.0-RC5 or later.

5

Where can I find more information about CVE-2019-10754?

More information about CVE-2019-10754 can be found at the following references: [Link 1](https://snyk.io/vuln/SNYK-JAVA-ORGAPEREOCAS-467402), [Link 2](https://snyk.io/vuln/SNYK-JAVA-ORGAPEREOCAS-467404), [Link 3](https://snyk.io/vuln/SNYK-JAVA-ORGAPEREOCAS-467406).

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