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7.5
CVSSv3

CVE-2018-7644

Published: 05/03/2018 Updated: 03/10/2019
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N
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Vulnerability Summary

The XmlSecLibs library as used in the saml2 library in SimpleSAMLphp prior to 1.15.3 incorrectly verifies signatures on SAML assertions, allowing a remote malicious user 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.

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Vendor Advisories

Debian Security Advisories: DSA-4127-1 simplesamlphp -- security update
Several vulnerabilities have been discovered in SimpleSAMLphp, a framework for authentication, primarily via the SAML protocol CVE-2017-12867 Attackers with access to a secret token could extend its validity period by manipulating the prepended time offset CVE-2017-12869 When using the multiauth module, attackers can bypass authentic ...

References

CWE-347https://simplesamlphp.org/security/201802-01https://nvd.nist.govhttps://www.debian.org/security/./dsa-4127
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
man-in-the-middleCVE-2024-34558CVE-2024-32674CVE-2024-34351XPath injectionCVE-2023-45866CVE-2024-25528CVE-2024-25517path traversal
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