Microsoft Exchange Server 2010 SP3/2013 CU16/2013 SP3/2016 CU5 OWA Request cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Microsoft Exchange Server 2010 SP3/2013 CU16/2013 SP3/2016 CU5. This issue affects some unknown processing of the component OWA. Executing a manipulation as part of Request can lead to cross site scripting. This vulnerability is handled as CVE-2017-8560. The attack can be executed remotely. There is not any exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in Microsoft Exchange Server 2010 SP3/2013 CU16/2013 SP3/2016 CU5 (Groupware Software). It has been declared as problematic. This vulnerability affects an unknown functionality of the component OWA. The manipulation as part of a Request 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:

Microsoft Exchange Server 2010 SP3, Exchange Server 2013 SP3, Exchange Server 2013 CU16, and Exchange Server 2016 CU5 allows an elevation of privilege vulnerability due to the way that Exchange Outlook Web Access (OWA) handles web requests, aka "Microsoft Exchange Cross-Site Scripting Vulnerability". This CVE ID is unique from CVE-2017-8559.

The bug was discovered 07/11/2017. The weakness was released 07/11/2017 as KB4018588 as confirmed security update guide (Website). The advisory is available at portal.msrc.microsoft.com. This vulnerability was named CVE-2017-8560 since 05/03/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project. The advisory points out:

An elevation of privilege vulnerability exists when Microsoft Exchange Outlook Web Access (OWA) fails to properly handle web requests. An attacker who successfully exploited this vulnerability could perform script/content injection attacks and attempt to trick the user into disclosing sensitive information.

The vulnerability scanner Nessus provides a plugin with the ID 101522 (KB4018588: Security Update for Microsoft Exchange Server), 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 53008 (Microsoft Windows Exchange Server Update For July 2017).

Applying the patch KB4018588 is able to eliminate this problem. The bugfix is ready for download at catalog.update.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (101522) and SecurityFocus (BID 99449†). Entries connected to this vulnerability are available at VDB-103425 and VDB-103468. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

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

NVD Base Score: 6.1
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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 101522
Nessus Name: KB4018588: Security Update for Microsoft Exchange Server
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802136
OpenVAS Name: Microsoft Exchange Server Multiple Vulnerabilities (KB4018588)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Patch: KB4018588

Timelineinfo

05/03/2017 🔍
07/11/2017 +69 days 🔍
07/11/2017 +0 days 🔍
07/11/2017 +0 days 🔍
07/11/2017 +0 days 🔍
07/11/2017 +0 days 🔍
07/12/2017 +1 days 🔍
07/13/2017 +1 days 🔍
12/31/2020 +1267 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: KB4018588
Researcher: Ashar Javed @soaj1664ashar
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-8560 (🔍)
GCVE (CVE): GCVE-0-2017-8560
GCVE (VulDB): GCVE-100-103426

OVAL: 🔍

SecurityFocus: 99449 - Microsoft Exchange Server CVE-2017-8560 Remote Privilege Escalation Vulnerability
SecurityTracker: 1038852

See also: 🔍

Entryinfo

Created: 07/12/2017 10:38
Updated: 12/31/2020 17:31
Changes: 07/12/2017 10:38 (82), 10/24/2019 20:11 (4), 12/31/2020 17:27 (2), 12/31/2020 17:31 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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