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CVE-2019-10754

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Date: September 23, 2019

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.

Language: Java

Severity Score

Related Resources (4)

https://nvd.nist.gov/vuln/detail/CVE-2019-10754
https://github.com/apereo/cas
https://github.com/apereo/cas/commit/40bf278e66786544411c471de5123e7a71826b9f
https://www.mend.io/vulnerability-database/CVE-2019-10754

Severity Score

Weakness Type (CWE)

Use of Insufficiently Random Values

CWE-330

Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

CWE-338

Top Fix

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Upgrade Version

Upgrade to version org.apereo.cas:cas-server-support-simple-mfa:6.1.0-RC5;org.apereo.cas:cas-server-core-services-api:6.1.0-RC5;org.apereo.cas:cas-server-support-shell:6.1.0-RC5;org.apereo.cas:cas-server-support-oidc:6.1.0-RC5;org.apereo.cas:cas-server-support-oauth-core-api:6.1.0-RC5;org.apereo.cas:cas-server-core-services-authentication:6.1.0-RC5

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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