Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2016-9814

Severity CVSS v4.0:
Pending analysis
Type:
CWE-399 Resource Management Errors
Publication date:
17/02/2017
Last modified:
20/04/2025

Description

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.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.10 CRITICAL
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): High
Availability (A): High

Base Score 3.x
9.10
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:L/Au:N/C:N/I:P/A:C CVSS v2.0 Severity and Metrics:

Base Score: 8.50 HIGH
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
Availability (A): Complete

Base Score 2.0
8.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:simplesamlphp:simplesamlphp:*:*:*:*:*:*:*:* 1.14.9 (including)
cpe:2.3:a:simplesamlphp:simplesamlphp:1.10:*:*:*:*:*:*:*
cpe:2.3:a:simplesamlphp:saml2:*:*:*:*:*:*:*:* 1.9 (including)
cpe:2.3:a:simplesamlphp:saml2:1.10:*:*:*:*:*:*:*
cpe:2.3:a:simplesamlphp:saml2:1.10.1:*:*:*:*:*:*:*
cpe:2.3:a:simplesamlphp:saml2:1.10.2:*:*:*:*:*:*:*
cpe:2.3:a:simplesamlphp:saml2:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:simplesamlphp:saml2:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:simplesamlphp:saml2:2.1:*:*:*:*:*:*:*
cpe:2.3:a:simplesamlphp:saml2:2.2:*:*:*:*:*:*:*
cpe:2.3:a:simplesamlphp:saml2:2.3:*:*:*:*:*:*:*
cpe:2.3:a:simplesamlphp:saml2:2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:simplesamlphp:saml2:2.3.2:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools