Samba 4.0.0 Print Spooler Service Parameter input validation

CVSS Meta Temp Score
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CTI Interest Score
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3.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Samba 4.0.0. Affected by this vulnerability is an unknown functionality of the component Print Spooler Service. Executing a manipulation as part of Parameter can lead to input validation. This vulnerability is handled as CVE-2018-1050. The attack can only be done within the local network. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Samba 4.0.0 (File Transfer Software) and classified as problematic. This vulnerability affects some unknown functionality of the component Print Spooler Service. The manipulation as part of a Parameter leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. CVE summarizes:

All versions of Samba from 4.0.0 onwards are vulnerable to a denial of service attack when the RPC spoolss service is configured to be run as an external daemon. Missing input sanitization checks on some of the input parameters to spoolss RPC calls could cause the print spooler service to crash.

The bug was discovered 03/13/2018. The weakness was released 03/13/2018 by Ligen with Intel as Bug 1538771 as confirmed bug report (Bugzilla). The advisory is available at bugzilla.redhat.com. This vulnerability was named CVE-2018-1050 since 12/04/2017. The attack can only be initiated within the local network. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 109974 (GLSA-201805-07 : Samba: Multiple vulnerabilities (SambaCry)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38707 (Samba Server Multiple Vulnerabilities).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (109974) and SecurityFocus (BID 103387†). Entries connected to this vulnerability are available at VDB-114467 and VDB-133154. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.1
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 109974
Nessus Name: GLSA-201805-07 : Samba: Multiple vulnerabilities (SambaCry)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 63639
OpenVAS Name: Debian LTS Advisory ([SECURITY] [DLA 1320-1] 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: 🔍

Timelineinfo

12/04/2017 🔍
03/13/2018 +99 days 🔍
03/13/2018 +0 days 🔍
03/13/2018 +0 days 🔍
03/13/2018 +0 days 🔍
03/14/2018 +1 days 🔍
05/22/2018 +69 days 🔍
05/23/2018 +1 days 🔍
02/21/2023 +1735 days 🔍

Sourcesinfo

Product: samba.org

Advisory: Bug 1538771
Researcher: Ligen
Organization: Intel
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-1050 (🔍)
GCVE (CVE): GCVE-0-2018-1050
GCVE (VulDB): GCVE-100-114466

OVAL: 🔍

SecurityFocus: 103387 - Samba CVE-2018-1050 Remote Denial of Service Vulnerability
SecurityTracker: 1040493

See also: 🔍

Entryinfo

Created: 03/14/2018 07:56
Updated: 02/21/2023 15:22
Changes: 03/14/2018 07:56 (78), 01/13/2020 08:47 (7), 02/21/2023 15:22 (3)
Complete: 🔍
Cache ID: 216::103

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

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