Microsoft Outlook 2007 SP3/2010 SP2/2013 RT SP1/2013 SP1/2016 7pk security

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

A vulnerability has been found in Microsoft Outlook 2007 SP3/2010 SP2/2013 RT SP1/2013 SP1/2016 (Groupware Software) and classified as critical. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a 7pk security vulnerability. The CWE definition for the vulnerability is CWE-254. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A security feature bypass vulnerability exists in Microsoft Office software when it improperly handles the parsing of file formats, aka "Microsoft Office Security Feature Bypass Vulnerability".

The bug was discovered 06/13/2017. The weakness was disclosed 06/13/2017 by Security Team with Microsoft as KB3203467 as confirmed security update guide (Website). The advisory is available at portal.msrc.microsoft.com. This vulnerability was named CVE-2017-8508 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 T1211 by the MITRE ATT&CK project. The advisory points out:

A security feature bypass vulnerability exists in Microsoft Office software when it improperly handles the parsing of file formats. The security feature bypass by itself does not allow arbitrary code execution. However, to successfully exploit the vulnerability, an attacker would have to use it in conjunction with another vulnerability, such as a remote code execution vulnerability, to take advantage of the security feature bypass vulnerability and run arbitrary code.

The vulnerability scanner Nessus provides a plugin with the ID 100782 (Security Update for Microsoft Office Products (June 2017)), 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 110299 (Microsoft Office and Microsoft Office Services and Web Apps Security Update June 2017).

Applying the patch KB3203467 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 vulnerability database at Tenable (100782). The entries 102373, 102375, 102397 and 102402 are pretty similar.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
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CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: 7pk security
CWE: CWE-254
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 100782
Nessus Name: Security Update for Microsoft Office Products (June 2017)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802136
OpenVAS Name: Microsoft Outlook 2016 Multiple Vulnerabilities (KB3191932)
OpenVAS File: 🔍
OpenVAS Family: 🔍

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Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
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Patch: KB3203467

Timelineinfo

05/03/2017 🔍
06/13/2017 +41 days 🔍
06/13/2017 +0 days 🔍
06/13/2017 +0 days 🔍
06/13/2017 +0 days 🔍
06/14/2017 +1 days 🔍
06/14/2017 +0 days 🔍
06/14/2017 +0 days 🔍
10/17/2019 +855 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: KB3203467
Researcher: Security Team
Organization: Microsoft
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-8508 (🔍)
OVAL: 🔍

SecurityFocus: 98828 - Microsoft Office CVE-2017-8508 Security Bypass Vulnerability

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Entryinfo

Created: 06/14/2017 11:33
Updated: 10/17/2019 14:58
Changes: 06/14/2017 11:33 (79), 10/17/2019 14:58 (7)
Complete: 🔍

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