Microsoft SharePoint Enterprise Server 2016 Reflected 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 labeled as problematic has been found in Microsoft SharePoint Enterprise Server 2016. Impacted is an unknown function. Executing a manipulation can lead to cross site scripting (Reflected). This vulnerability appears as CVE-2017-8514. The attack may be performed from remote. There is no available exploit. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as problematic was found in Microsoft SharePoint Enterprise Server 2016 (Groupware Software). This vulnerability affects an unknown part. The manipulation with an unknown input leads to a cross site scripting vulnerability (Reflected). The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes:

An information disclosure vulnerability exists when Microsoft SharePoint software fails to properly sanitize a specially crafted requests, aka "Microsoft SharePoint Reflective XSS Vulnerability".

The bug was discovered 06/13/2017. The weakness was presented 06/13/2017 as KB3203432 as confirmed security update guide (Website). The advisory is shared for download at portal.msrc.microsoft.com. This vulnerability was named CVE-2017-8514 since 05/03/2017. The attack can be initiated remotely. A single authentication is necessary 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 T1059.007. The advisory points out:

This vulnerability is caused when SharePoint Server does not properly sanitize a specially crafted request to an affected SharePoint server.

The vulnerability scanner Nessus provides a plugin with the ID 100787 (Security Update for Microsoft SharePoint Server (June 2017)), 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 110299 (Microsoft Office and Microsoft Office Services and Web Apps Security Update June 2017).

Applying the patch KB3203432 is able to eliminate this problem. The bugfix is ready for download at catalog.update.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (100787) and SecurityFocus (BID 98831†). See VDB-102463 for similar entry. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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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VulDB Base Score: 🔍
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Exploitinginfo

Name: Reflected
Class: Cross site scripting / Reflected
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: 🔍
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Nessus ID: 100787
Nessus Name: Security Update for Microsoft SharePoint Server (June 2017)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802136
OpenVAS Name: Microsoft SharePoint Enterprise Server 2016 Multiple Vulnerabilities (KB3203432)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: KB3203432
Suricata ID: 2024412
Suricata Class: 🔍
Suricata Message: 🔍

Timelineinfo

05/03/2017 🔍
06/13/2017 +41 days 🔍
06/13/2017 +0 days 🔍
06/13/2017 +0 days 🔍
06/13/2017 +0 days 🔍
06/14/2017 +1 days 🔍
06/14/2017 +0 days 🔍
06/14/2017 +0 days 🔍
09/13/2024 +2648 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: KB3203432
Researcher: Ashar Javed, Hyundai AutoEver Europe.
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-8514 (🔍)
GCVE (CVE): GCVE-0-2017-8514
GCVE (VulDB): GCVE-100-102448

OVAL: 🔍

SecurityFocus: 98831 - Microsoft SharePoint CVE-2017-8514 Cross Site Scripting Vulnerability
SecurityTracker: 1038663

See also: 🔍

Entryinfo

Created: 06/14/2017 11:38
Updated: 09/13/2024 21:02
Changes: 06/14/2017 11:38 (81), 10/17/2019 14:21 (5), 12/28/2020 11:39 (2), 12/28/2020 11:42 (1), 09/13/2024 21:02 (17)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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