Couchbase Server Java SDK up to 2.7.1.0 Hostname Verification SSL Certificate certificate validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Couchbase Server Java SDK up to 2.7.1.0. It has been rated as critical. Affected by this issue is some unknown functionality of the component Hostname Verification. This manipulation as part of SSL Certificate causes certificate validation. The identification of this vulnerability is CVE-2020-9040. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Couchbase Server Java SDK up to 2.7.1.0 (Programming Language Software) and classified as critical. Affected by this vulnerability is an unknown function of the component Hostname Verification. The manipulation as part of a SSL Certificate leads to a certificate validation vulnerability. The CWE definition for the vulnerability is CWE-295. The product does not validate, or incorrectly validates, a certificate. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Couchbase Server Java SDK before 2.7.1.1 allows a potential attacker to forge an SSL certificate and pose as the intended peer. An attacker can leverage this flaw by crafting a cryptographically valid certificate that will be accepted by Java SDK's Netty component due to missing hostname verification.

The weakness was shared 06/08/2020 (Website). The advisory is shared at couchbase.com. This vulnerability is known as CVE-2020-9040 since 02/17/2020. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1587.003 for this issue.

Upgrading to version 2.7.1.1 eliminates this vulnerability.

The entries VDB-150425, VDB-156290 and VDB-156291 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

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

NVD Base Score: 7.5
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: Certificate validation
CWE: CWE-295 / CWE-287
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Couchbase Server Java SDK 2.7.1.1

Timelineinfo

02/17/2020 🔍
06/08/2020 +112 days 🔍
06/09/2020 +1 days 🔍
10/22/2020 +135 days 🔍

Sourcesinfo

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

CVE: CVE-2020-9040 (🔍)
GCVE (CVE): GCVE-0-2020-9040
GCVE (VulDB): GCVE-100-156289
See also: 🔍

Entryinfo

Created: 06/09/2020 07:08
Updated: 10/22/2020 19:41
Changes: 06/09/2020 07:08 (41), 06/09/2020 07:13 (18), 10/22/2020 19:41 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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