CVE-2017-12873
CriticalSummary
SimpleSAMLphp versions 1.7.0 through 1.14.10 may 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.
Risk Assessment
The organization may be exposed to data leaks and unauthorized access to systems, which can lead to serious legal and reputational consequences.
Recommendation
It is recommended to update SimpleSAMLphp to the latest version and thoroughly check the Identity Provider configuration to prevent potential attacks.
Other vulnerabilities in SimpleSAMLphp
See all- CVE-2017-12869High
The multiauth module in SimpleSAMLphp version 1.14.13 and earlier allows remote attackers to bypass authentication context restrictions and use an authentication source defined in config/authsources.php due to improper validation of user input.
- CVE-2017-12868Critical
The secureCompare method in lib/SimpleSAML/Utils/Crypto.php in SimpleSAMLphp version 1.14.13 and earlier, when used with PHP before 5.6, allows attackers to conduct session fixation attacks or possibly bypass authentication due to missing character conversions before an XOR operation.
- CVE-2026-49284High
Information disclosure vulnerability in SimpleSAMLphp before 1.18.6 and in versions 2.x before 2.4.7 and 2.5.2. An attacker can exploit missing InResponseTo validation in signed assertions to bind a response from one trusted IdP to SP state created for another IdP, bypassing routing mechanisms.
Original NVD description (English source)
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.