CVE-2020-5407: Signature Wrapping Vulnerability with spring-security-saml2-service-provider
First published: Wed May 13 2020(Updated: )
Spring Security versions 5.2.x prior to 5.2.4 and 5.3.x prior to 5.3.2 contain a signature wrapping vulnerability during SAML response validation. When using the spring-security-saml2-service-provider component, a malicious user can carefully modify an otherwise valid SAML response and append an arbitrary assertion that Spring Security will accept as valid.
Credit: security@pivotal.io
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Pivotal Software Spring Security | >=5.2.0<5.2.4 | |
| Pivotal Software Spring Security | >=5.3.0<5.3.2 |
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Reference Links
- https://lists.apache.org/thread.html/r73af928cf64bebf78b7fa4bc56a5253273ec7829f5f5827f64c72fc7@%3Cissues.servicemix.apache.org%3E
- https://lists.apache.org/thread.html/ra19a4e7236877fe12bfb52db07b27ad72d9e7a9f5e27bba7e928e18a@%3Cdev.geode.apache.org%3E
- https://lists.apache.org/thread.html/rd99601fbca514f214f88f9e53fd5be3cfbff05b350c994b4ec2e184c@%3Cdev.geode.apache.org%3E
- https://tanzu.vmware.com/security/cve-2020-5407
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.oracle.com/security-alerts/cpujan2021.html
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://lists.apache.org/thread.html/r73af928cf64bebf78b7fa4bc56a5253273ec7829f5f5827f64c72fc7%40%3Cissues.servicemix.apache.org%3E
- https://lists.apache.org/thread.html/rd99601fbca514f214f88f9e53fd5be3cfbff05b350c994b4ec2e184c%40%3Cdev.geode.apache.org%3E
- https://lists.apache.org/thread.html/ra19a4e7236877fe12bfb52db07b27ad72d9e7a9f5e27bba7e928e18a%40%3Cdev.geode.apache.org%3E
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2020-5407.
What is the severity of CVE-2020-5407?
The severity of CVE-2020-5407 is high with a CVSS score of 8.8.
Which versions of Spring Security are affected by CVE-2020-5407?
Spring Security versions 5.2.x prior to 5.2.4 and 5.3.x prior to 5.3.2 are affected by CVE-2020-5407.
What is the description of CVE-2020-5407?
CVE-2020-5407 is a signature wrapping vulnerability during SAML response validation in Spring Security versions 5.2.x prior to 5.2.4 and 5.3.x prior to 5.3.2.
How can I fix CVE-2020-5407?
To fix CVE-2020-5407, update Spring Security to version 5.2.4 or 5.3.2 or later.
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