Microsoft SharePoint Foundation 2013 SP1 cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Microsoft SharePoint Foundation 2013 SP1. The impacted element is an unknown function. Executing a manipulation can lead to cross site scripting. This vulnerability is registered as CVE-2017-0255. It is possible to launch the attack remotely. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability has been found in Microsoft SharePoint Foundation 2013 SP1 (Groupware Software) and classified as problematic. This vulnerability affects an unknown part. The manipulation with an unknown input leads to a cross site scripting vulnerability. 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:

Microsoft SharePoint Foundation 2013 SP1 allows an elevation of privilege vulnerability when it does not properly sanitize a specially crafted web request, aka "Microsoft SharePoint XSS Vulnerability".

The bug was discovered 05/09/2017. The weakness was published 05/09/2017 with CERT as 3191914 as confirmed security update guide (Website). The advisory is shared for download at portal.msrc.microsoft.com. This vulnerability was named CVE-2017-0255 since 09/09/2016. 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:

An elevation of privilege vulnerability exists when 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 100103 (Security Update for Microsoft Office Products (May 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 110298 (Microsoft Office and Microsoft Office Services and Web Apps Security Update May 2017).

Applying the patch 3191914 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 (100103) and SecurityFocus (BID 98107†). Similar entries are available at VDB-101012, VDB-101013, VDB-101014 and VDB-101015. Once again VulDB remains the best source for vulnerability data.

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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: 🔍
VulDB Temp Score: 🔍
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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: 100103
Nessus Name: Security Update for Microsoft Office Products (May 2017)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 103254
OpenVAS Name: Microsoft SharePoint Foundation Privilege Elevation Vulnerability (3191914)
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: 3191914

Timelineinfo

09/09/2016 🔍
05/09/2017 +242 days 🔍
05/09/2017 +0 days 🔍
05/09/2017 +0 days 🔍
05/09/2017 +0 days 🔍
05/10/2017 +1 days 🔍
05/10/2017 +0 days 🔍
05/12/2017 +2 days 🔍
12/22/2020 +1320 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: 3191914
Researcher: Jörn Ahrens Volkswagen CERT-VW.
Organization: CERT
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-0255 (🔍)
GCVE (CVE): GCVE-0-2017-0255
GCVE (VulDB): GCVE-100-101020

OVAL: 🔍

SecurityFocus: 98107 - Microsoft SharePoint CVE-2017-0255 Cross Site Scripting Vulnerability
OSVDB: - CVE-2017-0255 - Microsoft - SharePoint Server - Privilege Escalation Issue

See also: 🔍

Entryinfo

Created: 05/10/2017 12:28
Updated: 12/22/2020 19:32
Changes: 05/10/2017 12:28 (79), 09/25/2020 09:35 (7), 12/22/2020 19:32 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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