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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4.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft SharePoint Enterprise Server 2013 SP1/2016. It has been classified as problematic. The affected element is an unknown function. This manipulation causes cross site scripting. This vulnerability is registered as CVE-2018-8299. Remote exploitation of the attack is possible. No exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as problematic was found in Microsoft SharePoint Enterprise Server 2013 SP1/2016 (Groupware Software). Affected by this vulnerability is an unknown code block. 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 07/10/2018. The weakness was published 07/10/2018 with Microsoft as confirmed security update guide (Website). The advisory is shared at portal.msrc.microsoft.com. The public release has been coordinated with Microsoft. This vulnerability is known as CVE-2018-8299 since 03/14/2018. The attack can be launched remotely. The exploitation doesn't need any form of 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 110993 (Security Updates for Microsoft Sharepoint Server (July 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 110320 (Microsoft Office and Microsoft Office Services and Web Apps Security Update July 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 (110993) and SecurityFocus (BID 104610†). Similar entries are available at VDB-121094, VDB-121098, VDB-121106 and VDB-121114. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CVSSv2info

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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: 110993
Nessus Name: Security Updates for Microsoft Sharepoint Server (July 2018)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Timelineinfo

03/14/2018 🔍
07/10/2018 +117 days 🔍
07/10/2018 +0 days 🔍
07/10/2018 +0 days 🔍
07/10/2018 +0 days 🔍
07/10/2018 +0 days 🔍
07/10/2018 +0 days 🔍
07/11/2018 +1 days 🔍
04/05/2023 +1729 days 🔍

Sourcesinfo

Vendor: microsoft.com

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

CVE: CVE-2018-8299 (🔍)
GCVE (CVE): GCVE-0-2018-8299
GCVE (VulDB): GCVE-100-121105

OVAL: 🔍

SecurityFocus: 104610 - Microsoft SharePoint Server CVE-2018-8299 Remote Privilege Escalation Vulnerability
SecurityTracker: 1041261

See also: 🔍

Entryinfo

Created: 07/11/2018 10:33
Updated: 04/05/2023 16:44
Changes: 07/11/2018 10:33 (72), 03/01/2020 15:42 (6), 04/05/2023 16:44 (5)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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