Microsoft SharePoint Enterprise Server 2013 SP1 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 2013 SP1. The impacted element is an unknown function. Executing a manipulation can lead to cross site scripting. This vulnerability is registered as CVE-2019-0556. 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 Enterprise Server 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.

The bug was discovered 01/08/2019. The weakness was published 01/08/2019 as confirmed security update guide (Website). The advisory is shared for download at portal.msrc.microsoft.com. The public release has been coordinated with the vendor. This vulnerability was named CVE-2019-0556 since 11/26/2018. 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:

A cross-site-scripting (XSS) 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 121044 (Security Updates for Microsoft Sharepoint Server (January 2019)), 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 110328 (Microsoft Office and Microsoft Office Services and Web Apps Security Update January 2019).

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 (121044) and SecurityFocus (BID 106387†). Similar entries are available at VDB-128731, VDB-128732, VDB-128741 and VDB-128742. 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: 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

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 121044
Nessus Name: Security Updates for Microsoft Sharepoint Server (January 2019)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
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Timelineinfo

11/26/2018 🔍
01/08/2019 +43 days 🔍
01/08/2019 +0 days 🔍
01/08/2019 +0 days 🔍
01/08/2019 +0 days 🔍
01/08/2019 +0 days 🔍
01/08/2019 +0 days 🔍
01/09/2019 +1 days 🔍
02/28/2025 +2242 days 🔍

Sourcesinfo

Vendor: microsoft.com

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

CVE: CVE-2019-0556 (🔍)
GCVE (CVE): GCVE-0-2019-0556
GCVE (VulDB): GCVE-100-128740
SecurityFocus: 106387 - Microsoft Office SharePoint CVE-2019-0556 Cross Site Scripting Vulnerability

See also: 🔍

Entryinfo

Created: 01/08/2019 22:23
Updated: 02/28/2025 22:26
Changes: 01/08/2019 22:23 (71), 04/26/2020 15:00 (5), 06/23/2023 09:43 (4), 02/28/2025 22:26 (15)
Complete: 🔍
Cache ID: 216::103

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