SimpleSAMLphp up to 1.14.9 simplesamlphp/saml2 validateSignature resource management

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in SimpleSAMLphp up to 1.14.9. It has been rated as critical. This affects the function validateSignature of the file simplesamlphp/saml2. The manipulation leads to resource management. This vulnerability is referenced as CVE-2016-9814. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in SimpleSAMLphp up to 1.14.9. It has been rated as critical. This issue affects the function validateSignature of the file simplesamlphp/saml2. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is integrity, and availability. The summary by CVE is:

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.

The bug was discovered 11/29/2016. The weakness was published 02/17/2017 (Website). It is possible to read the advisory at simplesamlphp.org. The identification of this vulnerability is CVE-2016-9814 since 12/04/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 79 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 107133 (Debian DLA-1298-1 : simplesamlphp security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading to version 1.14.10 eliminates this vulnerability. A possible mitigation has been published 2 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (107133) and SecurityFocus (BID 94730†). Similar entry is available at VDB-97060. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 107133
Nessus Name: Debian DLA-1298-1 : simplesamlphp security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 15856
OpenVAS Name: Debian LTS Advisory ([SECURITY] [DLA 1298-1] simplesamlphp security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: SimpleSAMLphp 1.14.10

Timelineinfo

11/29/2016 🔍
12/04/2016 +5 days 🔍
12/07/2016 +3 days 🔍
02/16/2017 +71 days 🔍
02/17/2017 +1 days 🔍
02/17/2017 +0 days 🔍
03/02/2018 +378 days 🔍
03/06/2018 +4 days 🔍
09/02/2020 +911 days 🔍

Sourcesinfo

Advisory: simplesamlphp.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-9814 (🔍)
GCVE (CVE): GCVE-0-2016-9814
GCVE (VulDB): GCVE-100-97055
SecurityFocus: 94730 - SimpleSAMLphp CVE-2016-9814 Security Bypass Vulnerability
OSVDB: - CVE-2016-9814 - SimpleSAMLphp, simplesamlphp.saml2 - Spoofing Issue

See also: 🔍

Entryinfo

Created: 02/17/2017 11:45
Updated: 09/02/2020 11:02
Changes: 02/17/2017 11:45 (77), 09/02/2020 11:02 (4)
Complete: 🔍
Cache ID: 216:788:103

Be aware that VulDB is the high quality source for vulnerability data.

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