Samba up to 4.4.15/4.5.12/4.6.7 DFS cryptographic issue

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in Samba up to 4.4.15/4.5.12/4.6.7 and classified as critical. Affected by this issue is some unknown functionality of the component DFS. The manipulation leads to cryptographic issue. This vulnerability is referenced as CVE-2017-12151. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Samba up to 4.4.15/4.5.12/4.6.7 (File Transfer Software). This issue affects an unknown part of the component DFS. The manipulation with an unknown input leads to a cryptographic issue vulnerability. Using CWE to declare the problem leads to CWE-310. Impacted is confidentiality, integrity, and availability.

The bug was discovered 09/21/2017. The weakness was published 09/21/2017 by Stefan Metzmacher as confirmed advisory (Website). It is possible to read the advisory at samba.org. The identification of this vulnerability is CVE-2017-12151 since 08/01/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 103801 (openSUSE Security Update : samba (openSUSE-2017-1147)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236503 (Red Hat Update for samba (RHSA-2017:2790)).

Upgrading to version 4.4.16, 4.5.14 or 4.6.8 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (103801), SecurityFocus (BID 100917†) and SecurityTracker (ID 1039401†). Similar entries are available at VDB-107074 and VDB-107076. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.4
NVD Vector: 🔍

CNA Base Score: 7.4
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
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: 103801
Nessus Name: openSUSE Security Update : samba (openSUSE-2017-1147)
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 🔍
09/25/2017 +4 days 🔍
10/11/2017 +16 days 🔍
10/12/2017 +1 days 🔍
07/27/2018 +287 days 🔍
12/30/2022 +1617 days 🔍

Sourcesinfo

Product: samba.org

Advisory: RHSA-2017:2790
Researcher: Stefan Metzmacher
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-12151 (🔍)
GCVE (CVE): GCVE-0-2017-12151
GCVE (VulDB): GCVE-100-107075

OVAL: 🔍

SecurityFocus: 100917 - Samba CVE-2017-12151 Man in the Middle Security Bypass Vulnerability
SecurityTracker: 1039401

See also: 🔍

Entryinfo

Created: 09/25/2017 11:06
Updated: 12/30/2022 08:25
Changes: 09/25/2017 11:06 (80), 11/19/2019 10:27 (7), 01/14/2021 11:25 (3), 01/14/2021 11:30 (1), 12/30/2022 08:24 (3), 12/30/2022 08:25 (11)
Complete: 🔍
Cache ID: 216::103

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