Samba 3.6/4.2.9/4.3.6/4.4.0 DCE-RPC resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Samba 3.6/4.2.9/4.3.6/4.4.0. This affects an unknown part of the component DCE-RPC. The manipulation leads to resource consumption. This vulnerability is listed as CVE-2015-5370. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Samba 3.6/4.2.9/4.3.6/4.4.0 (File Transfer Software). It has been rated as problematic. This issue affects some unknown processing of the component DCE-RPC. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is integrity, and availability.

The weakness was presented 04/12/2016 (Website). It is possible to read the advisory at badlock.org. The identification of this vulnerability is CVE-2015-5370 since 07/06/2015. The exploitation is known to be easy. 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 T1499 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 90495 (RHEL 7 : samba (RHSA-2016:0618) (Badlock)), 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 168811 (OpenSuSE Security Update for samba (openSUSE-SU-2016:1064-1)).

Upgrading to version 4.4.1, 4.3.7 or 4.2.10 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 X-Force (111936), Tenable (90495) and Vulnerability Center (SBV-58146†). See VDB-68821, VDB-69204, VDB-79858 and VDB-79859 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Name

Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.9
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 90495
Nessus Name: RHEL 7 : samba (RHSA-2016:0618) (Badlock)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802034
OpenVAS Name: Ubuntu Update for samba USN-2950-5
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 4.4.1/4.3.7/4.2.10
McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfo

07/06/2015 🔍
04/12/2016 +281 days 🔍
04/12/2016 +0 days 🔍
04/12/2016 +0 days 🔍
04/13/2016 +1 days 🔍
04/13/2016 +0 days 🔍
04/15/2016 +2 days 🔍
04/24/2016 +8 days 🔍
07/24/2022 +2282 days 🔍

Sourcesinfo

Product: samba.org

Advisory: RHSA-2016:0618
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-5370 (🔍)
GCVE (CVE): GCVE-0-2015-5370
GCVE (VulDB): GCVE-100-82403

OVAL: 🔍

X-Force: 111936 - Samba DCE-RPC denial of service
SecurityTracker: 1035533
Vulnerability Center: 58146 - Samba Remote Man-in-the-Middle and DoS Attacks due to Errors in Samba DCE-RPC code, Medium

See also: 🔍

Entryinfo

Created: 04/15/2016 11:59
Updated: 07/24/2022 17:37
Changes: 04/15/2016 11:59 (74), 02/04/2019 13:58 (10), 07/24/2022 17:21 (6), 07/24/2022 17:29 (1), 07/24/2022 17:37 (1)
Complete: 🔍
Cache ID: 216::103

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