Dell Networking OS10 up to 10.4.2.x TLS Handshake certificate validation

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.4 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as critical has been found in Dell Networking OS10 up to 10.4.2.x. This issue affects some unknown processing of the component TLS Handshake. Executing a manipulation can lead to certificate validation. This vulnerability appears as CVE-2018-15784. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.
Details
A vulnerability was found in Dell Networking OS10 up to 10.4.2.x. It has been declared as critical. This vulnerability affects an unknown part of the component TLS Handshake. The manipulation with an unknown input 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. CVE summarizes:
Dell Networking OS10 versions prior to 10.4.3.0 contain a vulnerability in the Phone Home feature which does not properly validate the server's certificate authority during TLS handshake. Use of an invalid or malicious certificate could potentially allow an attacker to spoof a trusted entity by using a man-in-the-middle (MITM) attack.
The bug was discovered 01/17/2019. The weakness was presented 01/18/2019 (Website). The advisory is available at dell.com. This vulnerability was named CVE-2018-15784 since 08/23/2018. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1587.003 by the MITRE ATT&CK project.
The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.
Upgrading to version 10.4.3.0 eliminates this vulnerability.
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Product
Vendor
Name
Version
License
Website
- Vendor: https://www.dell.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.4
VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.4
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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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Certificate validationCWE: 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: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Networking OS10 10.4.3.0
Timeline
08/23/2018 🔍01/17/2019 🔍
01/18/2019 🔍
01/18/2019 🔍
01/21/2019 🔍
07/02/2023 🔍
Sources
Vendor: dell.comAdvisory: dsa-2019-001
Status: Not defined
CVE: CVE-2018-15784 (🔍)
GCVE (CVE): GCVE-0-2018-15784
GCVE (VulDB): GCVE-100-129958
Entry
Created: 01/21/2019 09:40Updated: 07/02/2023 09:04
Changes: 01/21/2019 09:40 (59), 05/03/2020 09:31 (1), 07/02/2023 09:04 (4)
Complete: 🔍
Cache ID: 216::103
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