National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-9955 Detail

Current 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.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.3 MEDIUM
Vector: AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H (V3 legend)
Impact Score: 5.2
Exploitability Score: 1.0


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

CVSS v2.0 Severity and Metrics:

Base Score: 4.0 MEDIUM
Vector: (AV:N/AC:H/Au:N/C:N/I:P/A:P) (V2 legend)
Impact Subscore: 4.9
Exploitability Subscore: 4.9


Access Vector (AV): Network
Access Complexity (AC): High
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/94946 Third Party Advisory VDB Entry
https://lists.debian.org/debian-lts-announce/2018/03/msg00001.html Third Party Advisory
https://simplesamlphp.org/security/201612-02 Vendor Advisory

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:simplesamlphp:simplesamlphp:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
1.14.11

Configuration 2 ( hide )
 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-9955
NVD Published Date:
02/16/2017
NVD Last Modified:
10/02/2018