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, thereby allowing them to impersonate a user from that Identity Provider, aka a key confusion issue.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-1314-1 simplesamlphp security update
EUVD EUVD EUVD-2022-3265 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, thereby allowing them to impersonate a user from that Identity Provider, aka a key confusion issue.
Github GHSA Github GHSA GHSA-923w-2xv2-7pr8 SimpleSAMLphp Improper Verification of Cryptographic Signature
Fixes

Solution

No solution given by the vendor.


Workaround

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History

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T06:31:05.114Z

Reserved: 2018-03-02T00:00:00

Link: CVE-2018-7644

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-03-05T14:29:00.377

Modified: 2024-11-21T04:12:28.083

Link: CVE-2018-7644

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses