VDB-102639 · CVE-2017-8452 · OpenVAS 103369

Kibana up to 5.2.0 SSL Client Access File Descriptor file descriptor consumption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Kibana up to 5.2.0. It has been classified as problematic. This impacts an unknown function of the component SSL Client Access. Performing a manipulation as part of File Descriptor results in file descriptor consumption. This vulnerability is cataloged as CVE-2017-8452. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Kibana up to 5.2.0. This affects an unknown code block of the component SSL Client Access. The manipulation as part of a File Descriptor leads to a file descriptor consumption vulnerability. CWE is classifying the issue as CWE-769. This entry has been deprecated because it was a duplicate of CWE-774. All content has been transferred to CWE-774. This is going to have an impact on availability. The summary by CVE is:

Kibana versions prior to 5.2.1 configured for SSL client access, file descriptors will fail to be cleaned up after certain requests and will accumulate over time until the process crashes.

The bug was discovered 02/14/2017. The weakness was shared 06/16/2017 (Website). It is possible to read the advisory at elastic.co. This vulnerability is uniquely identified as CVE-2017-8452 since 05/02/2017. 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 vulnerability was handled as a non-public zero-day exploit for at least 122 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 5.2.1 eliminates this vulnerability.

The entries VDB-75175, VDB-102624, VDB-102623 and VDB-102625 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Kibana

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: File descriptor consumption
CWE: CWE-769 / CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

OpenVAS ID: 103369
OpenVAS Name: Elasticsearch Kibana SSL Client Access DoS Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kibana 5.2.1

Timelineinfo

02/14/2017 🔍
05/02/2017 +77 days 🔍
06/16/2017 +45 days 🔍
06/16/2017 +0 days 🔍
06/17/2017 +1 days 🔍
10/18/2019 +853 days 🔍

Sourcesinfo

Advisory: elastic.co
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-8452 (🔍)
GCVE (CVE): GCVE-0-2017-8452
GCVE (VulDB): GCVE-100-102639
See also: 🔍

Entryinfo

Created: 06/17/2017 10:56
Updated: 10/18/2019 20:31
Changes: 06/17/2017 10:56 (64), 10/18/2019 20:31 (2)
Complete: 🔍
Cache ID: 216:967:103