Vulnerability CVE-2019-10754
Published: 2019-09-23   Modified: 2019-09-24

Description:
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.

Type:

CWE-338

 (Use of Cryptographically Weak PRNG)

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.5/10
4.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
Apereo -> Central authentication service 

 References:
https://snyk.io/vuln/SNYK-JAVA-ORGAPEREOCAS-467402
https://snyk.io/vuln/SNYK-JAVA-ORGAPEREOCAS-467404
https://snyk.io/vuln/SNYK-JAVA-ORGAPEREOCAS-467406
https://snyk.io/vuln/SNYK-JAVA-ORGAPEREOCAS-468868
https://snyk.io/vuln/SNYK-JAVA-ORGAPEREOCAS-468869
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