Microsoft SharePoint Enterprise Server 2013 SP1/2016 access control

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Microsoft SharePoint Enterprise Server 2013 SP1/2016. Affected is an unknown function. The manipulation results in access control. This vulnerability is cataloged as CVE-2018-0923. The attack may be launched remotely. There is no exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Microsoft SharePoint Enterprise Server 2013 SP1/2016 (Groupware Software). Affected is some unknown functionality. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on integrity.

The bug was discovered 03/13/2018. The weakness was shared 03/13/2018 as confirmed security update guide (Website). The advisory is shared for download at portal.msrc.microsoft.com. This vulnerability is traded as CVE-2018-0923 since 12/01/2017. It is possible to launch the attack remotely. A authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068. The advisory points out:

An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server. An authenticated attacker could exploit the vulnerability by sending a specially crafted request to an affected SharePoint server.

The vulnerability scanner Nessus provides a plugin with the ID 108298 (Security Updates for Microsoft SharePoint Server and Microsoft Project Server (March 2018)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 110312 (Microsoft Office and Microsoft Office Services and Web Apps Security Update March 2018).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (108298) and SecurityFocus (BID 103308†). The entries VDB-114549, VDB-114551, VDB-114552 and VDB-114553 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.1

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-264
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: 108298
Nessus Name: Security Updates for Microsoft SharePoint Server and Microsoft Project Server (March 2018)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

12/01/2017 🔍
03/13/2018 +102 days 🔍
03/13/2018 +0 days 🔍
03/13/2018 +0 days 🔍
03/13/2018 +0 days 🔍
03/13/2018 +0 days 🔍
03/14/2018 +1 days 🔍
03/14/2018 +0 days 🔍
02/05/2021 +1059 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: portal.msrc.microsoft.com
Researcher: Ashar Javed
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-0923 (🔍)
GCVE (CVE): GCVE-0-2018-0923
GCVE (VulDB): GCVE-100-114564

OVAL: 🔍

SecurityFocus: 103308 - Microsoft SharePoint Server CVE-2018-0923 Remote Privilege Escalation Vulnerability
SecurityTracker: 1040513

See also: 🔍

Entryinfo

Created: 03/14/2018 14:23
Updated: 02/05/2021 07:50
Changes: 03/14/2018 14:23 (71), 01/13/2020 15:25 (5), 02/05/2021 07:43 (4), 02/05/2021 07:50 (1)
Complete: 🔍
Cache ID: 216::103

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