CVE-2017-12873 : Security Advisory and Response

SimpleSAMLphp versions 1.7.0 through 1.14.10 contain a vulnerability that could allow attackers to access sensitive data or gain unauthorized entry by exploiting a misconfigured Identity Provider (IdP).

Understanding CVE-2017-12873

This CVE involves a potential security flaw in SimpleSAMLphp versions 1.7.0 through 1.14.10 that could lead to unauthorized access and data exposure.

What is CVE-2017-12873?

SimpleSAMLphp versions 1.7.0 through 1.14.10 are susceptible to an issue that enables attackers to potentially acquire sensitive data or unauthorized access.
The vulnerability arises from incorrect persistent NameID generation within a misconfigured Identity Provider (IdP).

The Impact of CVE-2017-12873

Attackers can exploit this vulnerability to potentially obtain sensitive information, unauthorized access, or cause other unspecified impacts.

Technical Details of CVE-2017-12873

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

SimpleSAMLphp 1.7.0 through 1.14.10 might allow attackers to obtain sensitive information, gain unauthorized access, or have unspecified other impacts by leveraging incorrect persistent NameID generation when an Identity Provider (IdP) is misconfigured.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: All versions between 1.7.0 and 1.14.10 are affected.

Exploitation Mechanism

Attackers exploit the incorrect persistent NameID generation within a misconfigured Identity Provider (IdP) to gain unauthorized access or acquire sensitive data.

Mitigation and Prevention

Protecting systems from CVE-2017-12873 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update SimpleSAMLphp to a patched version that addresses the vulnerability.
Review and adjust the configuration of the Identity Provider (IdP) to ensure correct NameID generation.

Long-Term Security Practices

Regularly monitor and update software to prevent vulnerabilities.
Conduct security assessments to identify and mitigate potential risks.

Patching and Updates

Apply security patches provided by SimpleSAMLphp promptly to fix the vulnerability.