Microsoft Word 2007/2010/2013 Email Message access control

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Microsoft Word 2007/2010/2013. Affected by this issue is some unknown functionality of the component Email Message Handler. The manipulation leads to access control. This vulnerability is handled as CVE-2018-0793. The attack may be launched remotely. There is no exploit available. It is recommended to apply a patch to fix this issue. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Detailsinfo

A vulnerability classified as critical was found in Microsoft Word 2007/2010/2013 (Word Processing Software). Affected by this vulnerability is some unknown processing of the component Email Message Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Microsoft Outlook 2007, Microsoft Outlook 2010 and Microsoft Outlook 2013 allow a remote code execution vulnerability due to the way email messages are parsed, aka "Microsoft Outlook Remote Code Execution Vulnerability". This CVE is unique from CVE-2018-0791.

The bug was discovered 01/09/2018. The weakness was published 01/09/2018 by Nicolas Joly with Microsoft as confirmed security update guide (Website). The advisory is shared at portal.msrc.microsoft.com. This vulnerability is known as CVE-2018-0793 since 12/01/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue. The advisory points out:

A remote code execution vulnerability exists in the way that Microsoft Outlook parses specially crafted email messages. An attacker who successfully exploited the vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

The vulnerability scanner Nessus provides a plugin with the ID 105728 (Security Updates for Microsoft Office Products (January 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 110310 (Microsoft Office and Microsoft Office Services and Web Apps Security Update January 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 (105728) and SecurityFocus (BID 102375†). Similar entries are available at VDB-111561, VDB-111562, VDB-111563 and VDB-111564. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 105728
Nessus Name: Security Updates for Microsoft Office Products (January 2018)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 67712
OpenVAS Name: Microsoft Office Compatibility Pack Service Pack 3 Multiple RCE Vulnerabilities (KB4011607)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

12/01/2017 🔍
01/09/2018 +39 days 🔍
01/09/2018 +0 days 🔍
01/09/2018 +0 days 🔍
01/09/2018 +0 days 🔍
01/09/2018 +0 days 🔍
01/10/2018 +1 days 🔍
01/10/2018 +0 days 🔍
01/29/2021 +1115 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: portal.msrc.microsoft.com
Researcher: Nicolas Joly
Organization: Microsoft
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-0793 (🔍)
GCVE (CVE): GCVE-0-2018-0793
GCVE (VulDB): GCVE-100-111565

OVAL: 🔍

SecurityFocus: 102375 - Microsoft Outlook CVE-2018-0793 Remote Code Execution Vulnerability
SecurityTracker: 1040154

See also: 🔍

Entryinfo

Created: 01/10/2018 14:18
Updated: 01/29/2021 13:11
Changes: 01/10/2018 14:18 (79), 12/28/2019 20:49 (6), 01/29/2021 13:11 (3)
Complete: 🔍
Cache ID: 216:459:103

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