Samba up to 2.2a path traversal

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5.2	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Samba. Affected is an unknown function. Such manipulation leads to path traversal. This vulnerability is traded as CVE-2019-3880. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Samba (File Transfer Software). It has been rated as critical. Affected by this issue is an unknown function. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability.

The bug was discovered 04/08/2019. The weakness was shared 04/08/2019 by Michael Hanselmann with Intel as [SECURITY] [DSA 4427-1] samba security update as confirmed mailinglist post (Bugtraq). The advisory is available at seclists.org. This vulnerability is handled as CVE-2019-3880 since 01/03/2019. The attack may be launched remotely. The successful exploitation requires a simple authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 236653 (Alibaba Cloud Linux 3 : 0077: samba (ALINUX3-SA-2021:0077)), which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176860 (Debian Security Update for samba (DLA 1754-1)).

Upgrading to version 2:4.5.16+dfsg-1+deb9u1 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (236653) and SecurityFocus (BID 103387†). The entries VDB-102029 and VDB-114466 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• File Transfer Software

Name

• Samba

Version

• 0.3
• 0.3.1
• 1.9.17
• 1.9.18
• 2.0
• 2.0.0
• 2.0.1
• 2.0.2
• 2.0.3
• 2.0.4
• 2.0.5
• 2.0.5a
• 2.0.6
• 2.0.7
• 2.0.8
• 2.0.9
• 2.0.10
• 2.2.0
• 2.2.0A
• 2.2.0a
• 2.2.1
• 2.2.1A
• 2.2.1a
• 2.2.2
• 2.2.3
• 2.2.3A
• 2.2.3a
• 2.2.4
• 2.2.5
• 2.2.6
• 2.2.7
• 2.2.7A
• 2.2.7a
• 2.2.8
• 2.2.8a
• 2.2.9
• 2.2.10
• 2.2.11
• 2.2.12
• 2.2a

License

• open-source

Website

• Product: https://www.samba.org/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CNA Base Score: 4.2
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
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

Nessus ID: 236653
Nessus Name: Alibaba Cloud Linux 3 : 0077: samba (ALINUX3-SA-2021:0077)

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Samba 2:4.5.16+dfsg-1+deb9u1

Timelineinfo

03/13/2018 🔍
01/03/2019 +296 days 🔍
04/08/2019 +95 days 🔍
04/08/2019 +0 days 🔍
04/09/2019 +1 days 🔍
05/18/2025 +2231 days 🔍

Sourcesinfo

Product: samba.org

Advisory: [SECURITY] [DSA 4427-1] samba security update
Researcher: Michael Hanselmann
Organization: Intel
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-3880 (🔍)
GCVE (CVE): GCVE-0-2019-3880
GCVE (VulDB): GCVE-100-133154
SecurityFocus: 103387 - Samba CVE-2018-1050 Remote Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 04/09/2019 09:49
Updated: 05/18/2025 20:31
Changes: 04/09/2019 09:49 (61), 05/27/2020 16:30 (6), 08/27/2023 15:01 (4), 08/27/2023 15:03 (12), 05/18/2025 20:31 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

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