[Snyk] Fix for 11 vulnerabilities

[snyk-bot]

Snyk has created this PR to fix one or more vulnerable packages in the `maven` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • cas-security-spring-boot-sample/pom.xml

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Upgrade	Breaking Change	Exploit Maturity
	624/1000 Why? Has a fix available, CVSS 8.2	XML External Entity (XXE) Injection SNYK-JAVA-COMFASTERXMLJACKSONCORE-1048302	com.fasterxml.jackson.core:jackson-databind: 2.10.3 -> 2.10.5.1	No	No Known Exploit
	494/1000 Why? Has a fix available, CVSS 5.6	HTTP Request Smuggling SNYK-JAVA-ORGAPACHETOMCATEMBED-1017119		No	No Known Exploit
	586/1000 Why? Proof of Concept exploit, Has a fix available, CVSS 5.3	Information Exposure SNYK-JAVA-ORGAPACHETOMCATEMBED-1048292		No	Proof of Concept
	479/1000 Why? Has a fix available, CVSS 5.3	Information Disclosure SNYK-JAVA-ORGAPACHETOMCATEMBED-1061939		No	No Known Exploit
	704/1000 Why? Has a fix available, CVSS 9.8	Remote Code Execution (RCE) SNYK-JAVA-ORGAPACHETOMCATEMBED-1080637		No	No Known Exploit
	509/1000 Why? Has a fix available, CVSS 5.9	HTTP Request Smuggling SNYK-JAVA-ORGAPACHETOMCATEMBED-1080638		No	No Known Exploit
	686/1000 Why? Proof of Concept exploit, Has a fix available, CVSS 7.3	Comparison Using Wrong Factors SNYK-JAVA-ORGBOUNCYCASTLE-1052448		No	Proof of Concept
	644/1000 Why? Has a fix available, CVSS 8.6	Improper Input Validation SNYK-JAVA-ORGSPRINGFRAMEWORK-1009832		No	No Known Exploit
	434/1000 Why? Has a fix available, CVSS 4.4	Privilege Escalation SNYK-JAVA-ORGSPRINGFRAMEWORK-1296829		No	No Known Exploit
	324/1000 Why? Has a fix available, CVSS 2.2	Privilege Escalation SNYK-JAVA-ORGSPRINGFRAMEWORKSECURITY-1078232		No	No Known Exploit
	380/1000 Why? Has a fix available, CVSS 3.1	Timing Attack SNYK-JAVA-ORGSPRINGFRAMEWORKSECURITY-1290497		No	No Known Exploit

(*) Note that the real score may have changed since the PR was raised.

Vulnerabilities that could not be fixed

• Upgrade:
  • Could not upgrade org.bouncycastle:bcpkix-jdk15on@1.66 to org.bouncycastle:bcpkix-jdk15on@1.67; Reason could not apply upgrade, dependency is managed externally ; Location: https://maven-central.storage-download.googleapis.com/maven2/org/jasig/cas/client/cas-client/3.6.2/cas-client-3.6.2.pom
  • Could not upgrade org.springframework.boot:spring-boot-starter-security@2.3.3.RELEASE to org.springframework.boot:spring-boot-starter-security@2.5.0; Reason could not apply upgrade, dependency is managed externally ; Location: https://maven-central.storage-download.googleapis.com/maven2/org/springframework/boot/spring-boot-dependencies/2.3.3.RELEASE/spring-boot-dependencies-2.3.3.RELEASE.pom
  • Could not upgrade org.springframework.boot:spring-boot-starter-web@2.3.3.RELEASE to org.springframework.boot:spring-boot-starter-web@2.3.11.RELEASE; Reason could not apply upgrade, dependency is managed externally ; Location: https://maven-central.storage-download.googleapis.com/maven2/org/springframework/boot/spring-boot-dependencies/2.3.3.RELEASE/spring-boot-dependencies-2.3.3.RELEASE.pom

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