Samba up to 4.15.12/4.16.7/4.17.3 NetLogon Secure Channel risky encryption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.7 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic was found in Samba up to 4.15.12/4.16.7/4.17.3. Affected by this vulnerability is an unknown functionality of the component NetLogon Secure Channel. The manipulation results in risky encryption. This vulnerability is identified as CVE-2022-38023. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.
Details
A vulnerability classified as problematic has been found in Samba up to 4.15.12/4.16.7/4.17.3 (File Transfer Software). Affected is an unknown function of the component NetLogon Secure Channel. The manipulation with an unknown input leads to a risky encryption vulnerability. CWE is classifying the issue as CWE-327. The product uses a broken or risky cryptographic algorithm or protocol. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was released 12/19/2022. The advisory is shared for download at samba.org. This vulnerability is traded as CVE-2022-38023. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600.
The vulnerability scanner Nessus provides a plugin with the ID 236597 (Alibaba Cloud Linux 3 : 0027: samba (ALINUX3-SA-2023:0027)), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 4.15.13, 4.16.8 or 4.17.4 eliminates this vulnerability.
The vulnerability is also documented in the databases at Tenable (236597) and EUVD (EUVD-2022-40629). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Name
Version
- 4.15.0
- 4.15.1
- 4.15.2
- 4.15.3
- 4.15.4
- 4.15.5
- 4.15.6
- 4.15.7
- 4.15.8
- 4.15.9
- 4.15.10
- 4.15.11
- 4.15.12
- 4.16.0
- 4.16.1
- 4.16.2
- 4.16.3
- 4.16.4
- 4.16.5
- 4.16.6
- 4.16.7
- 4.17.0
- 4.17.1
- 4.17.2
- 4.17.3
License
Website
- Product: https://www.samba.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.8VulDB Meta Temp Score: 6.7
VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 8.1
CNA Vector (Microsoft Corporation): 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Risky encryptionCWE: CWE-327 / CWE-310
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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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 236597
Nessus Name: Alibaba Cloud Linux 3 : 0027: samba (ALINUX3-SA-2023:0027)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Samba 4.15.13/4.16.8/4.17.4
Timeline
08/08/2022 🔍12/19/2022 🔍
12/19/2022 🔍
08/13/2026 🔍
Sources
Product: samba.orgAdvisory: FEDORA-2022-7f9021ead1
Status: Confirmed
CVE: CVE-2022-38023 (🔍)
GCVE (CVE): GCVE-0-2022-38023
GCVE (VulDB): GCVE-100-216216
EUVD: 🔍
Entry
Created: 12/19/2022 07:54Updated: 08/13/2026 12:20
Changes: 12/19/2022 07:54 (38), 01/15/2023 10:17 (3), 01/15/2023 10:22 (12), 05/20/2025 18:58 (17), 06/21/2026 13:04 (1), 08/13/2026 12:20 (1)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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