CVE-2017-12870 : What You Need to Know
Learn about CVE-2017-12870, a vulnerability in SimpleSAMLphp 1.14.12 and earlier versions that enables man-in-the-middle attacks, compromising sensitive information. Find mitigation steps and preventive measures here.
SimpleSAMLphp 1.14.12 and earlier versions are vulnerable to man-in-the-middle attacks due to the use of aesEncrypt and aesDecrypt methods in the SimpleSAML/Utils/Crypto class.
Understanding CVE-2017-12870
This CVE entry highlights a vulnerability in SimpleSAMLphp versions that can be exploited by attackers to acquire sensitive information.
What is CVE-2017-12870?
The vulnerability arises from the inadequate protection of session identifiers in responses to non-HTTPS service providers, making it easier for attackers to conduct man-in-the-middle attacks.
The Impact of CVE-2017-12870
Attackers can exploit this vulnerability to intercept and obtain sensitive information, posing a significant risk to the confidentiality and integrity of data transmitted.
Technical Details of CVE-2017-12870
SimpleSAMLphp 1.14.12 and earlier versions are susceptible to exploitation due to the following:
Vulnerability Description
The vulnerability stems from the use of aesEncrypt and aesDecrypt methods in the SimpleSAML/Utils/Crypto class, which inadequately safeguard session identifiers in responses to non-HTTPS service providers.
Affected Systems and Versions
- Product: SimpleSAMLphp
- Vendor: N/A
- Versions: 1.14.12 and earlier
Exploitation Mechanism
Attackers can exploit this vulnerability to conduct man-in-the-middle attacks, intercepting and acquiring sensitive information transmitted between parties.
Mitigation and Prevention
To address CVE-2017-12870, consider the following steps:
Immediate Steps to Take
- Upgrade SimpleSAMLphp to a secure version that addresses the vulnerability.
- Implement HTTPS for all service providers to enhance data encryption and security.
Long-Term Security Practices
- Regularly monitor and update security configurations to mitigate potential vulnerabilities.
- Educate users and administrators on secure practices to prevent data interception and unauthorized access.
Patching and Updates
- Stay informed about security advisories and patches released by SimpleSAMLphp to promptly address any identified vulnerabilities.