Samba up to 4.16.10/4.17.9/4.18.4 SMB2 Packet data authenticity

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Samba up to 4.16.10/4.17.9/4.18.4. This affects an unknown function of the component SMB2 Packet Handler. Performing a manipulation results in data authenticity. This vulnerability is cataloged as CVE-2023-3347. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Samba up to 4.16.10/4.17.9/4.18.4 (File Transfer Software). This affects an unknown functionality of the component SMB2 Packet Handler. The manipulation with an unknown input leads to a data authenticity vulnerability. CWE is classifying the issue as CWE-345. The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. This is going to have an impact on integrity.

The weakness was shared 07/20/2023. The advisory is shared at samba.org. This vulnerability is uniquely identified as CVE-2023-3347 since 06/21/2023. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 239935 (TencentOS Server 3: samba (TSSA-2023:0202)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.16.11, 4.17.10 or 4.18.5 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (239935). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CNA Base Score: 5.9
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Data authenticity
CWE: CWE-345
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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Nessus ID: 239935
Nessus Name: TencentOS Server 3: samba (TSSA-2023:0202)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Samba 4.16.11/4.17.10/4.18.5

Timelineinfo

06/21/2023 🔍
07/20/2023 +29 days 🔍
07/20/2023 +0 days 🔍
06/18/2025 +699 days 🔍

Sourcesinfo

Product: samba.org

Advisory: RHSA-2023:4325
Status: Confirmed

CVE: CVE-2023-3347 (🔍)
GCVE (CVE): GCVE-0-2023-3347
GCVE (VulDB): GCVE-100-235089

Entryinfo

Created: 07/20/2023 17:07
Updated: 06/18/2025 03:42
Changes: 07/20/2023 17:07 (39), 08/15/2023 14:11 (2), 08/15/2023 14:12 (12), 09/16/2024 17:30 (26), 06/18/2025 03:42 (2)
Complete: 🔍
Cache ID: 216::103

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

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