Samba up to 4.4.15/4.5.12/4.6.7 information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Samba up to 4.4.15/4.5.12/4.6.7 and classified as critical. This affects an unknown part. The manipulation results in information disclosure. This vulnerability is identified as CVE-2017-12163. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

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. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. 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 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 MITRE ATT&CK project declares the attack technique as T1592.

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 l. 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 Tenable (103408), SecurityFocus (BID 100925†) and SecurityTracker (ID 1039401†). Entries connected to this vulnerability are available at VDB-107074 and VDB-107075. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.5

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

NVD Base Score: 7.1
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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: 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 Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Samba 4.4.16/4.5.14/4.6.8

Timelineinfo

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 🔍
12/30/2022 +1618 days 🔍

Sourcesinfo

Product: samba.org

Advisory: RHSA-2017:2791
Researcher: Yihan Lian, Zhibin Hu
Organization: Qihoo 360 GearTeam
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-12163 (🔍)
GCVE (CVE): GCVE-0-2017-12163
GCVE (VulDB): GCVE-100-107076

OVAL: 🔍

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

See also: 🔍

Entryinfo

Created: 09/25/2017 11:06
Updated: 12/30/2022 08:29
Changes: 09/25/2017 11:06 (77), 11/19/2019 10:31 (7), 01/14/2021 11:37 (3), 01/14/2021 11:43 (1), 01/14/2021 11:48 (1), 12/30/2022 08:27 (3), 12/30/2022 08:29 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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