Samba up to 4.4.15/4.5.12/4.6.7 information disclosure

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CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

A vulnerability, which was classified as critical, was found in Samba up to 4.4.15/4.5.12/4.6.7 (File Transfer Software). Affected is an unknown code. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 09/21/2017. The weakness was released 09/21/2017 by Yihan Lian and Zhibin Hu with Qihoo 360 GearTeam as confirmed advisory (Website). The advisory is shared for download at samba.org. This vulnerability is traded as CVE-2017-12163 since 08/01/2017. It is possible to launch the attack remotely. A authentication is needed for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 103408 (RHEL 6 : samba4 (RHSA-2017:2791)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context local. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236504 (Red Hat Update for samba (RHSA-2017:2789)).

Upgrading to version 4.4.16, 4.5.14 or 4.6.8 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 100925), SecurityTracker (ID 1039401) and Tenable (103408). Entries connected to this vulnerability are available at 107074 and 107075.

Productinfoedit

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CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.1
NVD Vector: 🔍

CVSSv2infoedit

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfoedit

Class: Information disclosure
CWE: CWE-200
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 103408
Nessus Name: RHEL 6 : samba4 (RHSA-2017:2791)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53754
OpenVAS Name: Debian Security Advisory DSA 3983-1 (samba - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Samba 4.4.16/4.5.14/4.6.8

Timelineinfoedit

08/01/2017 🔍
09/20/2017 +50 days 🔍
09/21/2017 +1 days 🔍
09/21/2017 +0 days 🔍
09/21/2017 +0 days 🔍
09/21/2017 +0 days 🔍
09/22/2017 +1 days 🔍
09/25/2017 +3 days 🔍
07/26/2018 +303 days 🔍
01/14/2021 +903 days 🔍

Sourcesinfoedit

Product: https://www.samba.org/

Advisory: samba.org
Researcher: Yihan Lian/Zhibin Hu
Organization: Qihoo 360 GearTeam
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-12163 (🔍)
OVAL: 🔍

SecurityFocus: 100925 - Samba CVE-2017-12163 Arbitrary File Write Vulnerability
SecurityTracker: 1039401

See also: 🔍

Entryinfoedit

Created: 09/25/2017 11:06 AM
Updated: 01/14/2021 11:48 AM
Changes: (1) advisory_person_name
Complete: 🔍

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