Couchbase Server Java SDK up to 2.7.1.0 Hostname Verification SSL Certificate certificate validation
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.1 | $0-$5k | 0.00 |
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 150425, 156290 and 156291 are related to this item.
Product
Type
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.4VulDB 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: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Certificate validationCWE: CWE-295 / CWE-287
ATT&CK: T1587.003
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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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Couchbase Server Java SDK 2.7.1.1
Timeline
02/17/2020 🔍06/08/2020 🔍
06/09/2020 🔍
10/22/2020 🔍
Sources
Advisory: couchbase.comStatus: Not defined
Confirmation: 🔍
CVE: CVE-2020-9040 (🔍)
See also: 🔍
Entry
Created: 06/09/2020 07:08Updated: 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: 🔍
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