CVE-2016-9814: Critical severity SimpleSAMLphp vulnerability

Published Nov 29, 2016
·
Updated

Incorrect signature verification

Other sources

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.

Affected Software

18 affected componentsFixes available
composer/simplesamlphp/saml2<1.8.1, >=1.9.0, <1.9.1, >=1.10, <1.10.3, >=2.0, <2.3.3
composer/simplesamlphp/saml2>=2.0<2.3.3
2.3.3
composer/simplesamlphp/saml2>=1.9.0<1.9.1
1.9.1
composer/simplesamlphp/saml2<1.8.1
1.8.1
composer/simplesamlphp/saml2>=1.10<1.10.3
1.10.3
SimpleSAMLphp<=1.14.9
SimpleSAMLphp=1.10
SimpleSAMLphp SAML2<=1.9
SimpleSAMLphp SAML2=1.10
SimpleSAMLphp SAML2=1.10.1
SimpleSAMLphp SAML2=1.10.2
SimpleSAMLphp SAML2=2.0.0
SimpleSAMLphp SAML2=2.0.1
SimpleSAMLphp SAML2=2.1
SimpleSAMLphp SAML2=2.2
SimpleSAMLphp SAML2=2.3
SimpleSAMLphp SAML2=2.3.1
SimpleSAMLphp SAML2=2.3.2

Event History

Nov 29, 2016
Advisory Published
01:12 PM
Feb 16, 2017
CVE Published
via MITRE·06:00 PM
Data Sourced
via MITRE·06:00 PM
Description
Feb 17, 2017
Data Sourced
via NVD·02:59 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2016-9814?

CVE-2016-9814 is considered a high severity vulnerability due to its potential for remote attackers to spoof SAML responses.

2

How do I fix CVE-2016-9814?

To fix CVE-2016-9814, upgrade to SimpleSAMLphp version 1.14.10 or later, or simplesamlphp/saml2 version 1.9.1, 1.10.3, or 2.3.3.

3

Which software is affected by CVE-2016-9814?

CVE-2016-9814 affects SimpleSAMLphp versions before 1.14.10 and simplesamlphp/saml2 library versions before 1.9.1, 1.10.3, and 2.3.3.

4

What types of attacks can CVE-2016-9814 enable?

CVE-2016-9814 can allow attackers to spoof SAML responses and potentially cause a denial of service.

5

Is CVE-2016-9814 a local or remote vulnerability?

CVE-2016-9814 is classified as a remote vulnerability, enabling attackers to exploit the flaw from a distance.

Contact

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