Microsoft SharePoint Enterprise Server/SharePoint Foundation 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 was found in Microsoft SharePoint Enterprise Server and SharePoint Foundation and classified as problematic. This impacts an unknown function. Such manipulation leads to cross site scripting. This vulnerability is referenced as CVE-2018-8252. It is possible to launch the attack remotely. No exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Microsoft SharePoint Enterprise Server and SharePoint Foundation (Groupware Software) (the affected version is unknown) and classified as problematic. Affected by this issue is an unknown code. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity.

The bug was discovered 06/12/2018. The weakness was published 06/12/2018 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 is handled as CVE-2018-8252 since 03/14/2018. The attack may be launched remotely. A simple 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 110497 (Security Updates for Microsoft Sharepoint Server (June 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 110319 (Microsoft Office and Microsoft Office Services and Web Apps Security Update June 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 (110497) and SecurityFocus (BID 104317†). Similar entries are available at VDB-119475, VDB-119476, VDB-119477 and VDB-119478. 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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 110497
Nessus Name: Security Updates for Microsoft Sharepoint Server (June 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: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

03/14/2018 🔍
06/12/2018 +90 days 🔍
06/12/2018 +0 days 🔍
06/12/2018 +0 days 🔍
06/12/2018 +0 days 🔍
06/12/2018 +0 days 🔍
06/13/2018 +1 days 🔍
06/14/2018 +0 days 🔍
03/27/2023 +1747 days 🔍

Sourcesinfo

Vendor: microsoft.com

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

CVE: CVE-2018-8252 (🔍)
GCVE (CVE): GCVE-0-2018-8252
GCVE (VulDB): GCVE-100-119480

OVAL: 🔍

SecurityFocus: 104317 - Microsoft SharePoint Server CVE-2018-8252 Remote Privilege Escalation Vulnerability
SecurityTracker: 1041106

See also: 🔍

Entryinfo

Created: 06/13/2018 18:57
Updated: 03/27/2023 09:13
Changes: 06/13/2018 18:57 (71), 02/19/2020 07:15 (5), 03/27/2023 09:13 (5)
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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