CVE-2016-9955

Severity CVSS v4.0:

Pending analysis

Type:

CWE-20 Input Validation

Publication date:

17/02/2017

Last modified:

20/04/2025

Description

The SimpleSAML_XML_Validator class constructor in SimpleSAMLphp before 1.14.11 might allow remote attackers to spoof signatures on SAML 1 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:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.30 MEDIUM
Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H

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

Base Score 3.x

6.30

Severity 3.x

MEDIUM

Vector 2.0

AV:N/AC:H/Au:N/C:N/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.00 MEDIUM
Vector: AV:N/AC:H/Au:N/C:N/I:P/A:P

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