Splunk-SDK-Python up to 1.6.5 TLS Certificate certificate validation

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Splunk-SDK-Python up to 1.6.5 (Log Management Software). This issue affects some unknown processing of the component TLS Certificate Handler. The manipulation with an unknown input leads to a weak authentication vulnerability. Using CWE to declare the problem leads to CWE-295. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Splunk-SDK-Python before 1.6.6 does not properly verify untrusted TLS server certificates, which could result in man-in-the-middle attacks.

The bug was discovered 01/14/2019. The weakness was published 03/21/2019 (Website). The advisory is shared at splunk.com. The identification of this vulnerability is CVE-2019-5729 since 01/08/2019. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1587.003 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 66 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 1.6.6 eliminates this vulnerability.

Productinfoedit

Type

Name

CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2infoedit

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

NVD Base Score: 🔍

Exploitinginfoedit

Class: Weak authentication
CWE: CWE-295
ATT&CK: T1587.003

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Splunk-SDK-Python 1.6.6

Timelineinfoedit

01/08/2019 🔍
01/14/2019 +6 days 🔍
03/21/2019 +66 days 🔍
03/22/2019 +1 days 🔍
05/18/2020 +423 days 🔍

Sourcesinfoedit

Advisory: splunk.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-5729 (🔍)

Entryinfoedit

Created: 03/22/2019 08:33 AM
Updated: 05/18/2020 02:43 PM
Changes: (2) vulnerability_discoverydate advisory_confirm_url
Complete: 🔍

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