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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4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft SharePoint Enterprise Server 2013 SP1/2016 and classified as problematic. This affects an unknown part. Executing a manipulation can lead to cross site scripting. This vulnerability is handled as CVE-2018-0864. The attack can be executed remotely. There is not any exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Microsoft SharePoint Enterprise Server 2013 SP1/2016 (Groupware Software). It has been declared as problematic. This vulnerability affects an unknown code. 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:

SharePoint Project Server 2013 and SharePoint Enterprise Server 2016 allow an information disclosure vulnerability due to how web requests are handled, aka "Microsoft SharePoint Information Disclosure Vulnerability".

The bug was discovered 02/13/2018. The weakness was released 02/13/2018 as confirmed security update guide (Website). The advisory is shared for download at portal.msrc.microsoft.com. This vulnerability was named CVE-2018-0864 since 12/01/2017. The attack can be initiated remotely. A single authentication is needed 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 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 106806 (Security Updates for Microsoft SharePoint Server and Microsoft Project Server (February 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 110311 (Microsoft Office and Microsoft Office Services and Web Apps Security Update February 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 (106806) and SecurityFocus (BID 102962†). Entries connected to this vulnerability are available at VDB-113216, VDB-113232, VDB-113233 and VDB-113234. 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: 🔍
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: 106806
Nessus Name: Security Updates for Microsoft SharePoint Server and Microsoft Project Server (February 2018)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

12/01/2017 🔍
02/13/2018 +74 days 🔍
02/13/2018 +0 days 🔍
02/13/2018 +0 days 🔍
02/13/2018 +0 days 🔍
02/13/2018 +0 days 🔍
02/14/2018 +1 days 🔍
02/14/2018 +0 days 🔍
02/03/2021 +1085 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: portal.msrc.microsoft.com
Researcher: Ashar Javed
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-0864 (🔍)
GCVE (CVE): GCVE-0-2018-0864
GCVE (VulDB): GCVE-100-113236

OVAL: 🔍

SecurityFocus: 102962 - Microsoft SharePoint Server CVE-2018-0864 Remote Privilege Escalation Vulnerability
SecurityTracker: 1040376

See also: 🔍

Entryinfo

Created: 02/14/2018 09:08
Updated: 02/03/2021 13:04
Changes: 02/14/2018 09:08 (72), 01/04/2020 16:06 (5), 02/03/2021 13:01 (2), 02/03/2021 13:04 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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