Microsoft SharePoint Enterprise Server 2013 SP1/2016 cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Microsoft SharePoint Enterprise Server 2013 SP1/2016. Affected is an unknown function. Performing a manipulation results in cross site scripting. This vulnerability is identified as CVE-2018-8155. The attack can be initiated remotely. There is not any exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Microsoft SharePoint Enterprise Server 2013 SP1/2016 (Groupware Software). It has been classified as problematic. This affects some unknown processing. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity.

The bug was discovered 05/08/2018. The weakness was released 05/08/2018 as confirmed security update guide (Website). The advisory is shared at portal.msrc.microsoft.com. The public release was coordinated with Microsoft. This vulnerability is uniquely identified as CVE-2018-8155 since 03/14/2018. It is possible to initiate the attack remotely. Required for exploitation is a authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue. 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 109616 (Security Updates for Microsoft SharePoint Server and Microsoft Project Server (May 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 110317 (Microsoft Office and Microsoft Office Services and Web Apps Security Update May 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 (109616) and SecurityFocus (BID 104047†). Entries connected to this vulnerability are available at VDB-117468, VDB-117469, VDB-117470 and VDB-117471. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

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

NVD Base Score: 5.4
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
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: 109616
Nessus Name: Security Updates for Microsoft SharePoint Server and Microsoft Project Server (May 2018)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 54681
OpenVAS Name: Microsoft SharePoint Foundation 2013 Service Pack 1 Elevation of Privilege Vulnerability (KB4018398)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

03/14/2018 🔍
05/08/2018 +55 days 🔍
05/08/2018 +0 days 🔍
05/08/2018 +0 days 🔍
05/08/2018 +0 days 🔍
05/08/2018 +0 days 🔍
05/09/2018 +0 days 🔍
05/09/2018 +0 days 🔍
03/11/2023 +1767 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: portal.msrc.microsoft.com
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2018-8155 (🔍)
GCVE (CVE): GCVE-0-2018-8155
GCVE (VulDB): GCVE-100-117501

OVAL: 🔍

SecurityFocus: 104047 - Microsoft SharePoint Server CVE-2018-8155 Remote Privilege Escalation Vulnerability
SecurityTracker: 1040856

See also: 🔍

Entryinfo

Created: 05/09/2018 15:03
Updated: 03/11/2023 10:12
Changes: 05/09/2018 15:03 (76), 02/03/2020 15:20 (5), 03/11/2023 10:12 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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