PT-2018-18181 · Simplesamlphp · Simplesamlphp

Published 2018-03-02 · Updated 2022-05-13 · CVE-2018-7644

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions SimpleSAMLphp versions prior to 1.15.3

Description The issue allows a remote attacker to construct a crafted SAML assertion that would pass as cryptographically valid, enabling them to impersonate a user from an Identity Provider. This is due to incorrect signature verification on SAML assertions.

Recommendations For versions prior to 1.15.3, update to version 1.15.3 or later to resolve the issue.

Exploit

Fix

Improper Verification of Cryptographic Signature

Weakness Enumeration

CWE-347

Related Identifiers

CVE-2018-7644

DLA-1298-1

DSA-4127-1

GHSA-923W-2XV2-7PR8

Affected Products

Simplesamlphp

References · 26

• 🔥 https://github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/saml2/CVE-2018-7644.yaml · Exploit
• https://ubuntu.com/security/CVE-2018-7644 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18121 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12867 · Security Note
• https://simplesamlphp.org/security/201802-01 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4127-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7644 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6521 · Security Note
• https://cve.org/CVERecord?id=CVE-2018-7644 · Security Note
• https://osv.dev/vulnerability/CVE-2018-7644 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12874 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12873 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12869 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-7644 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-7644 · Vendor Advisory