Remote PHP Version Disclosure in SimpleSAMLphp - CVE-2016-3124
Summary
DEBIAN-CVE-2016-3124: The sanitycheck module in SimpleSAMLphp before 1.14.1 allows remote attackers to learn the PHP version on the system via unspecified vectors. Affects simplesamlphp versions < 1.14.1-1. Fixed in 1.14.1-1. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
SimpleSAMLphp is an open-source application written in PHP that facilitates Single Sign-On (SSO) and identity management. It is widely used for integrating various authentication mechanisms and supports multiple protocols. The package is designed to be flexible and extensible, allowing developers to customize it according to their needs. However, a vulnerability in the sanitycheck module exposes the PHP version running on the server, which can be exploited by attackers.
Vulnerability Detail
The vulnerability identified as CVE-2016-3124 exists in the sanitycheck module of SimpleSAMLphp versions prior to 1.14.1. It allows remote attackers to disclose the PHP version of the server through unspecified vectors. This information can be leveraged by attackers to identify potential exploits targeting specific PHP versions, thereby increasing the risk of further attacks on the system.
How To Fix
Minimum fixed version
1.14.1-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade simplesamlphpTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, consider restricting access to the sanitycheck module or implementing firewall rules to limit exposure to untrusted networks until the package can be updated.
Conclusion
CVE-2016-3124 is a significant vulnerability in SimpleSAMLphp that can lead to PHP version disclosure, increasing the risk of targeted attacks. It is crucial to update to the patched version to mitigate this risk and ensure the security of your application.
See every vulnerability recorded for simplesamlphp →
FAQ
CVE-2016-3124 is a vulnerability in SimpleSAMLphp that allows remote attackers to disclose the PHP version running on the server.
If exploited, attackers can gain insights into the PHP version, potentially leading to further attacks targeting known vulnerabilities in that version.
Yes, updating to SimpleSAMLphp version 1.14.1-1 or later addresses this vulnerability.
Implement access restrictions to the sanitycheck module and monitor your application for any suspicious activity.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
References
Related vulnerabilities
Recent vulnerabilities recorded for simplesamlphp.
