VDB-141548 · CVE-2019-11467 · GCVE-0-2019-11467

Couchbase Server 4.6.3/5.5.0 JSON Document resource 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.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Couchbase Server 4.6.3/5.5.0. Affected by this vulnerability is an unknown functionality of the component JSON Document Handler. Such manipulation leads to resource consumption. This vulnerability is listed as CVE-2019-11467. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Couchbase Server 4.6.3/5.5.0 and classified as problematic. Affected by this issue is an unknown functionality of the component JSON Document Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. CVE summarizes:

An issue was discovered in Couchbase Server 4.6.3 and 5.5.0. A JSON document to be stored with more than 3000 '\t' characters can crash the indexing system.

The weakness was presented 09/10/2019. This vulnerability is handled as CVE-2019-11467 since 04/22/2019. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-141551, VDB-141550, VDB-141549 and VDB-141547 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Couchbase Server

Version

License

free

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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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: Resource consumption
CWE: 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
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/22/2019 🔍
09/10/2019 +141 days 🔍
09/11/2019 +1 days 🔍
12/19/2023 +1560 days 🔍

Sourcesinfo

Advisory: couchbase.com
Status: Not defined

CVE: CVE-2019-11467 (🔍)
GCVE (CVE): GCVE-0-2019-11467
GCVE (VulDB): GCVE-100-141548
See also: 🔍

Entryinfo

Created: 09/11/2019 08:31
Updated: 12/19/2023 09:12
Changes: 09/11/2019 08:31 (35), 08/19/2020 09:15 (17), 12/19/2023 09:12 (3)
Complete: 🔍
Cache ID: 216::103