CVE-2019-10754
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.
Affected Packages
org.apereo.cas:cas-server-support-simple-mfa (JAVA):
Affected version(s) >=v6.4.0-RC5 <6.1.0-RC5Fix Suggestion:
Update to version 6.1.0-RC5org.apereo.cas:cas-server-core-services-authentication (JAVA):
Affected version(s) >=v6.4.0-RC5 <6.1.0-RC5Fix Suggestion:
Update to version 6.1.0-RC5org.apereo.cas:cas-server-core-services-api (JAVA):
Affected version(s) >=v6.4.0-RC5 <6.1.0-RC5Fix Suggestion:
Update to version 6.1.0-RC5org.apereo.cas:cas-server-support-oauth-core-api (JAVA):
Affected version(s) >=v6.4.0-RC5 <6.1.0-RC5Fix Suggestion:
Update to version 6.1.0-RC5org.apereo.cas:cas-server-support-shell (JAVA):
Affected version(s) >=v6.4.0-RC5 <6.1.0-RC5Fix Suggestion:
Update to version 6.1.0-RC5org.apereo.cas:cas-server-support-oidc (JAVA):
Affected version(s) >=v6.4.0-RC5 <6.1.0-RC5Fix Suggestion:
Update to version 6.1.0-RC5Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.6
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
CVSS v2
Base Score:
5.5
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Weakness Type (CWE)
EPSS
Base Score:
0.40
