Vulnerability CVE-2017-11777

Vulnerability Name:

CVE-2017-11777 (CCN-132571)

Assigned:

2017-10-10

Published:

2017-10-10

Updated:

2017-10-20

Summary:

Microsoft SharePoint Enterprise Server 2013 SP1 and Microsoft SharePoint Enterprise Server 2016 allow an attacker to exploit a cross-site scripting (XSS) vulnerability by sending a specially crafted request to an affected SharePoint server, due to how SharePoint Server sanitizes web requests, aka "Microsoft Office SharePoint XSS Vulnerability". This CVE ID is unique from CVE-2017-11775 and CVE-2017-11820.

CVSS v3 Severity:

5.4 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)
4.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): Required
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): None

6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): Required
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): Low

CVSS v2 Severity:

3.5 Low (CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): None

6.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

Vulnerability Type:

CWE-79

Vulnerability Consequences:

Cross-Site Scripting

References:

Source: MITRE
Type: CNA
CVE-2017-11777

Source: BID
Type: Third Party Advisory, VDB Entry
101155

Source: CCN
Type: BID-101155
Microsoft SharePoint Server CVE-2017-11777 Cross Site Scripting Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1039540

Source: XF
Type: UNKNOWN
ms-sharepoint-cve201711777-xss(132571)

Source: CCN
Type: Microsoft Security TechCenter - October 2017
Microsoft Office SharePoint XSS Vulnerability

Source: CONFIRM
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11777

Vulnerable Configuration:

Configuration 1:

cpe:/a:microsoft:sharepoint_enterprise_server:2013:sp1:*:*:*:*:*:*

OR cpe:/a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*

OR cpe:/a:microsoft:sharepoint_enterprise_server:2013:sp1:*:*:*:*:*:*

Denotes that component is vulnerable

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