CVE Feed

    Dashboard / CVE / CVE-2018-7644

    CVE-2018-7644

    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.

    Published:Mar 5, 2018
    Last Modified:Nov 21, 2024
    EPS:Mar 5, 2018
    EPSS Score:0.00068
    CVSS Score:7.5

    Affected Products

    Vendor
    Simplesamlphp
    Product
    Simplesamlphp

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-463 Padding Oracle Crypto Attack
    CAPEC-475 Signature Spoofing by Improper Validation

    Related CVEs

    CVE-2026-49284 (CVSS 7.1) — SimpleSAMLphp versions before 1.18.6 contain an information disclosure vulnerability. Prior to 2.4.7 and 2.5.2…
    CVE-2020-5301 (CVSS 3) — SimpleSAMLphp versions before 1.18.6 contain an information disclosure vulnerability. The module controller in…
    CVE-2020-5226 (CVSS 4.4) — Cross-site scripting in SimpleSAMLphp before version 1.18.4. The www/erroreport.php script allows error report…
    CVE-2020-5225 (CVSS 4.4) — Log injection in SimpleSAMLphp before version 1.18.4. The www/erroreport.php script, which receives error repo…
    CVE-2019-3465 (CVSS 8.8) — Rob Richards XmlSecLibs, all versions prior to v3.0.3, as used for example by SimpleSAMLphp, performed incorre…
    CVE-2011-4625 (CVSS 7.5) — simplesamlphp before 1.6.3 (squeeze) and before 1.8.2 (sid) incorrectly handles XML encryption which could all…
    CVE-2018-7711 (CVSS 8.1) — HTTPRedirect.php in the saml2 library in SimpleSAMLphp before 1.15.4 has an incorrect check of return values i…
    CVE-2017-18122 (CVSS 8.1) — A signature-validation bypass issue was discovered in SimpleSAMLphp through 1.14.16. A SimpleSAMLphp Service P…
    CVE-2017-18121 (CVSS 6.1) — The consentAdmin module in SimpleSAMLphp through 1.14.15 is vulnerable to a Cross-Site Scripting attack, allow…
    CVE-2018-6521 (CVSS 9.8) — The sqlauth module in SimpleSAMLphp before 1.15.2 relies on the MySQL utf8 charset, which truncates queries up…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High