Splunk Enterprise up to 7.0.0.0 Web SAML Data Impersonation access control

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Splunk Enterprise up to 6.3.11/6.4.8/6.5.5/6.6.3.1/7.0.0.0. It has been rated as critical. This issue affects some unknown processing of the component Web. Performing a manipulation as part of SAML Data results in access control (Impersonation). This vulnerability was named CVE-2017-17067. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Splunk Enterprise up to 6.3.11/6.4.8/6.5.5/6.6.3.1/7.0.0.0 (Log Management Software). It has been classified as critical. This affects an unknown function of the component Web. The manipulation as part of a SAML Data leads to a access control vulnerability (Impersonation). CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Splunk Web in Splunk Enterprise 7.0.x before 7.0.0.1, 6.6.x before 6.6.3.2, 6.5.x before 6.5.6, 6.4.x before 6.4.9, and 6.3.x before 6.3.12, when the SAML authType is enabled, mishandles SAML, which allows remote attackers to bypass intended access restrictions or conduct impersonation attacks.

The bug was discovered 11/17/2017. The weakness was presented 11/30/2017 (Website). It is possible to read the advisory at splunk.com. This vulnerability is uniquely identified as CVE-2017-17067 since 11/29/2017. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 104850 (Splunk Enterprise 6.3.x < 6.3.12 / 6.4.x < 6.4.9 / 6.5.x < 6.5.6 / 6.6 < 6.6.3.2 or 6.6.4 / 7.0.x < 7.0.0.1 Multiple SAML Implementation Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11888 (Splunk Enterprise Multiple SAML Vulnerabilities (SP-CAAAP3K)).

Upgrading to version 6.3.12, 6.4.9, 6.5.6, 6.6.3.2 or 7.0.0.1 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (104850) and SecurityFocus (BID 102005†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: Impersonation
Class: Access control / Impersonation
CWE: CWE-284 / CWE-266
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: 104850
Nessus Name: Splunk Enterprise 6.3.x < 6.3.12 / 6.4.x < 6.4.9 / 6.5.x < 6.5.6 / 6.6 < 6.6.3.2 or 6.6.4 / 7.0.x < 7.0.0.1 Multiple SAML Implementation Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Enterprise 6.3.12/6.4.9/6.5.6/6.6.3.2/7.0.0.1

Timelineinfo

11/14/2017 🔍
11/14/2017 +0 days 🔍
11/17/2017 +3 days 🔍
11/29/2017 +12 days 🔍
11/29/2017 +0 days 🔍
11/29/2017 +0 days 🔍
11/30/2017 +1 days 🔍
11/30/2017 +0 days 🔍
01/25/2021 +1152 days 🔍

Sourcesinfo

Advisory: splunk.com
Researcher: Jacob Honoroff
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-17067 (🔍)
GCVE (CVE): GCVE-0-2017-17067
GCVE (VulDB): GCVE-100-110103
SecurityFocus: 102005 - Splunk Enterprise CVE-2017-17067 Multiple Security Bypass Vulnerabilities

Entryinfo

Created: 11/30/2017 14:56
Updated: 01/25/2021 15:23
Changes: 11/30/2017 14:56 (71), 12/11/2019 15:33 (5), 01/25/2021 15:23 (2)
Complete: 🔍
Cache ID: 216::103

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