The SimpleSAMLphp SAML2 library is a PHP library for SAML2 related functionality. In 4.19.2 and 4.20.2, the library permits attacker-controlled XPath transforms while processing XML signatures in specially crafted SAML messages. XPath evaluation can consume uncontrolled processin...
Product
simplesamlphp/saml2 vulnerabilities
9 published CVES affecting simplesamlphp/saml2, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 9
- Critical
- 1
- High
- 8
- Medium
- 0
- Low
- 0
- Unscored
- 0
- CISA KEV
- 0
Latest simplesamlphp/saml2 CVEs
Newest publication first
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HighCVSS 7.5 EPSS 0.78%
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HighCVSS 8.7 EPSS 0.47%
The SimpleSAMLphp SAML2 library is a PHP library for SAML2 related functionality. Prior to versions 4.19.3, 4.20.2, 5.0.6, and 6.2.1, the HTTPArtifact::receive() flow can treat an unsigned embedded SAML Response as cryptographically valid for the wrong identity provider. SOAPClie...
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HighCVSS 8.6 EPSS 0.42%
The SimpleSAMLphp SAML2 library is a PHP library for SAML2 related functionality. Prior to versions 4.17.0 and 5.0.0-alpha.20, there is a signature confusion attack in the HTTPRedirect binding. An attacker with any signed SAMLResponse via the HTTP-Redirect binding can cause the a...
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HighCVSS 8.3 EPSS 0.43%
SimpleSAMLphp SAML2 library is a PHP library for SAML2 related functionality. When loading an (untrusted) XML document, for example the SAMLResponse, it's possible to induce an XXE. This vulnerability is fixed in 4.6.14 and 5.0.0-alpha.18.
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CVE-2023-49087 Validation of SignedInfo
PublishedHighCVSS 7.5 EPSS 0.19%xml-security is a library that implements XML signatures and encryption. Validation of an XML signature requires verification that the hash value of the related XML-document matches a specific DigestValue-value, but also that the cryptographic signature on the SignedInfo-tree (th...
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HighCVSS 8.1 EPSS 1.2% PoC
HTTPRedirect.php in the saml2 library in SimpleSAMLphp before 1.15.4 has an incorrect check of return values in the signature validation utilities, allowing an attacker to get invalid signatures accepted as valid by forcing an error during validation. This occurs because of a dep...
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HighCVSS 7.5 EPSS 1.5% PoC
The XmlSecLibs library as used in the saml2 library in SimpleSAMLphp before 1.15.3 incorrectly verifies signatures on SAML assertions, allowing a remote attacker to construct a crafted SAML assertion on behalf of an Identity Provider that would pass as cryptographically valid, th...
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CVE-2018-6519 SimpleSAMLphp SAML2 library Regular Expression Denial of Service vulnerability
PublishedHighCVSS 7.5 EPSS 1.7% PoCThe SAML2 library before 1.10.4, 2.x before 2.3.5, and 3.x before 3.1.1 in SimpleSAMLphp has a Regular Expression Denial of Service vulnerability for fraction-of-seconds data in a timestamp.
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CriticalCVSS 9.1 EPSS 2.4% PoC
The validateSignature method in the SAML2\Utils class in SimpleSAMLphp before 1.14.10 and simplesamlphp/saml2 library before 1.9.1, 1.10.x before 1.10.3, and 2.x before 2.3.3 allows remote attackers to spoof SAML responses or possibly cause a denial of service (memory consumption...
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.