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12 vulnerabilities found for saml2 by simplesamlphp
CVE-2025-27773 (GCVE-0-2025-27773)
Vulnerability from cvelistv5 – Published: 2025-03-11 19:04 – Updated: 2025-05-09 20:03
VLAI
Title
SimpleSAMLphp SAML2 library has incorrect signature verification for HTTP-Redirect binding
Summary
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 application to accept an unsigned message. Versions 4.17.0 and 5.0.0-alpha.20 contain a fix for the issue.
Severity
8.6 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/simplesamlphp/saml2/security/a… | x_refsource_CONFIRM |
| https://github.com/simplesamlphp/saml2/commit/786… | x_refsource_MISC |
| https://github.com/simplesamlphp/saml2/blob/9545a… | x_refsource_MISC |
| https://github.com/simplesamlphp/saml2/blob/9545a… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2025… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| simplesamlphp | saml2 |
Affected:
< 4.17.0
Affected: >= 5.0.0-alpha.1, < 5.0.0-alpha.20 |
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CVE-2024-52806 (GCVE-0-2024-52806)
Vulnerability from cvelistv5 – Published: 2024-12-02 16:18 – Updated: 2024-12-02 19:12
VLAI
Title
SimpleSAMLphp SAML2 has an XXE in parsing SAML messages
Summary
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.
Severity
8.3 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/simplesamlphp/saml2/security/a… | x_refsource_CONFIRM |
| https://github.com/simplesamlphp/saml2/commit/5fd… | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| simplesamlphp | saml2 |
Affected:
< 4.6.14
Affected: >= 5.0.0-alpha.1, < 5.0.0-alpha.18 |
|
| simplesamlphp | saml2 |
Affected:
0 , < 4.6.14
(custom)
Affected: 0 , ≤ 5.0.0-alpha.1 (custom) Affected: 0 , < 5.0.0-alpha.18 (custom) cpe:2.3:a:simplesamlphp:saml2:*:*:*:*:*:*:*:* |
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CVE-2023-49087 (GCVE-0-2023-49087)
Vulnerability from cvelistv5 – Published: 2023-11-30 05:20 – Updated: 2024-08-02 21:46
VLAI
Title
Validation of SignedInfo
Summary
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 (the one that contains the DigestValue) verifies and matches a trusted public key. If an attacker somehow (i.e. by exploiting a bug in PHP's canonicalization function) manages to manipulate the canonicalized version's DigestValue, it would be possible to forge the signature. This issue has been patched in version 1.6.12 and 5.0.0-alpha.13.
Severity
6.8 (Medium)
CWE
- CWE-345 - Insufficient Verification of Data Authenticity
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/simplesamlphp/xml-security/sec… | x_refsource_CONFIRM |
| https://github.com/simplesamlphp/xml-security/com… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| simplesamlphp | xml-security |
Affected:
= 1.6.11
Affected: = 5.0.0-alpha.12 |
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CVE-2018-7711 (GCVE-0-2018-7711)
Vulnerability from cvelistv5 – Published: 2018-03-05 22:00 – Updated: 2024-08-05 06:31
VLAI
Summary
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 dependency on PHP functionality that interprets a -1 error code as a true boolean value.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/simplesamlphp/saml2/commit/4f6… | x_refsource_CONFIRM |
| https://lists.debian.org/debian-lts-announce/2018… | mailing-listx_refsource_MLIST |
| https://simplesamlphp.org/security/201803-01 | x_refsource_CONFIRM |
Date Public
2018-03-05 00:00
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CVE-2018-6519 (GCVE-0-2018-6519)
Vulnerability from cvelistv5 – Published: 2018-02-02 01:00 – Updated: 2024-08-05 06:10
VLAI
Summary
The 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.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://simplesamlphp.org/security/201801-01 | x_refsource_CONFIRM |
| https://www.debian.org/security/2018/dsa-4127 | vendor-advisoryx_refsource_DEBIAN |
Date Public
2018-02-01 00:00
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CVE-2016-9814 (GCVE-0-2016-9814)
Vulnerability from cvelistv5 – Published: 2017-02-16 18:00 – Updated: 2024-08-06 02:59
VLAI
Summary
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) by leveraging improper conversion of return values to boolean.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
3 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/94730 | vdb-entryx_refsource_BID |
| https://simplesamlphp.org/security/201612-01 | x_refsource_CONFIRM |
| https://lists.debian.org/debian-lts-announce/2018… | mailing-listx_refsource_MLIST |
Date Public
2016-12-02 00:00
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CVE-2025-27773 (GCVE-0-2025-27773)
Vulnerability from nvd – Published: 2025-03-11 19:04 – Updated: 2025-05-09 20:03
VLAI
Title
SimpleSAMLphp SAML2 library has incorrect signature verification for HTTP-Redirect binding
Summary
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 application to accept an unsigned message. Versions 4.17.0 and 5.0.0-alpha.20 contain a fix for the issue.
Severity
8.6 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/simplesamlphp/saml2/security/a… | x_refsource_CONFIRM |
| https://github.com/simplesamlphp/saml2/commit/786… | x_refsource_MISC |
| https://github.com/simplesamlphp/saml2/blob/9545a… | x_refsource_MISC |
| https://github.com/simplesamlphp/saml2/blob/9545a… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2025… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| simplesamlphp | saml2 |
Affected:
< 4.17.0
Affected: >= 5.0.0-alpha.1, < 5.0.0-alpha.20 |
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CVE-2024-52806 (GCVE-0-2024-52806)
Vulnerability from nvd – Published: 2024-12-02 16:18 – Updated: 2024-12-02 19:12
VLAI
Title
SimpleSAMLphp SAML2 has an XXE in parsing SAML messages
Summary
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.
Severity
8.3 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/simplesamlphp/saml2/security/a… | x_refsource_CONFIRM |
| https://github.com/simplesamlphp/saml2/commit/5fd… | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| simplesamlphp | saml2 |
Affected:
< 4.6.14
Affected: >= 5.0.0-alpha.1, < 5.0.0-alpha.18 |
|
| simplesamlphp | saml2 |
Affected:
0 , < 4.6.14
(custom)
Affected: 0 , ≤ 5.0.0-alpha.1 (custom) Affected: 0 , < 5.0.0-alpha.18 (custom) cpe:2.3:a:simplesamlphp:saml2:*:*:*:*:*:*:*:* |
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CVE-2023-49087 (GCVE-0-2023-49087)
Vulnerability from nvd – Published: 2023-11-30 05:20 – Updated: 2024-08-02 21:46
VLAI
Title
Validation of SignedInfo
Summary
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 (the one that contains the DigestValue) verifies and matches a trusted public key. If an attacker somehow (i.e. by exploiting a bug in PHP's canonicalization function) manages to manipulate the canonicalized version's DigestValue, it would be possible to forge the signature. This issue has been patched in version 1.6.12 and 5.0.0-alpha.13.
Severity
6.8 (Medium)
CWE
- CWE-345 - Insufficient Verification of Data Authenticity
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/simplesamlphp/xml-security/sec… | x_refsource_CONFIRM |
| https://github.com/simplesamlphp/xml-security/com… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| simplesamlphp | xml-security |
Affected:
= 1.6.11
Affected: = 5.0.0-alpha.12 |
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CVE-2018-7711 (GCVE-0-2018-7711)
Vulnerability from nvd – Published: 2018-03-05 22:00 – Updated: 2024-08-05 06:31
VLAI
Summary
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 dependency on PHP functionality that interprets a -1 error code as a true boolean value.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/simplesamlphp/saml2/commit/4f6… | x_refsource_CONFIRM |
| https://lists.debian.org/debian-lts-announce/2018… | mailing-listx_refsource_MLIST |
| https://simplesamlphp.org/security/201803-01 | x_refsource_CONFIRM |
Date Public
2018-03-05 00:00
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CVE-2018-6519 (GCVE-0-2018-6519)
Vulnerability from nvd – Published: 2018-02-02 01:00 – Updated: 2024-08-05 06:10
VLAI
Summary
The 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.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://simplesamlphp.org/security/201801-01 | x_refsource_CONFIRM |
| https://www.debian.org/security/2018/dsa-4127 | vendor-advisoryx_refsource_DEBIAN |
Date Public
2018-02-01 00:00
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CVE-2016-9814 (GCVE-0-2016-9814)
Vulnerability from nvd – Published: 2017-02-16 18:00 – Updated: 2024-08-06 02:59
VLAI
Summary
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) by leveraging improper conversion of return values to boolean.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
3 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/94730 | vdb-entryx_refsource_BID |
| https://simplesamlphp.org/security/201612-01 | x_refsource_CONFIRM |
| https://lists.debian.org/debian-lts-announce/2018… | mailing-listx_refsource_MLIST |
Date Public
2016-12-02 00:00
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