Microsoft Office up to 2019 Word Macro information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Microsoft Office up to 2019. Affected by this issue is some unknown functionality of the component Word. Performing a manipulation results in information disclosure (Macro). This vulnerability is known as CVE-2019-0561. Remote exploitation of the attack is possible. No exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as problematic has been found in Microsoft Office up to 2019 (Office Suite Software). This affects an unknown functionality of the component Word. The manipulation with an unknown input leads to a information disclosure vulnerability (Macro). CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

An information disclosure vulnerability exists when Microsoft Word macro buttons are used improperly, aka "Microsoft Word Information Disclosure Vulnerability." This affects Microsoft Word, Office 365 ProPlus, Microsoft Office, Word.

The bug was discovered 01/08/2019. The weakness was published 01/08/2019 as confirmed security update guide (Website). The advisory is shared at portal.msrc.microsoft.com. The public release has been coordinated with Microsoft. This vulnerability is uniquely identified as CVE-2019-0561 since 11/26/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. 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 T1592 for this issue. The advisory points out:

An information disclosure vulnerability exists when Microsoft Word macro buttons are used improperly. An attacker who successfully exploited this vulnerability could read arbitrary files from a targeted system.

The vulnerability scanner Nessus provides a plugin with the ID 121024 (Security Updates for Microsoft Office Products (January 2019)), 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 110328 (Microsoft Office and Microsoft Office Services and Web Apps Security Update January 2019).

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 (121024) and SecurityFocus (BID 106399†). Similar entries are available at VDB-128731, VDB-128732, VDB-128740 and VDB-128741. 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: 4.9
VulDB Meta Temp Score: 4.8

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

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Name: Macro
Class: Information disclosure / Macro
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 121024
Nessus Name: Security Updates for Microsoft Office Products (January 2019)
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

11/26/2018 🔍
01/08/2019 +43 days 🔍
01/08/2019 +0 days 🔍
01/08/2019 +0 days 🔍
01/08/2019 +0 days 🔍
01/08/2019 +0 days 🔍
01/08/2019 +0 days 🔍
01/08/2019 +0 days 🔍
04/26/2020 +474 days 🔍

Sourcesinfo

Vendor: microsoft.com

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

CVE: CVE-2019-0561 (🔍)
GCVE (CVE): GCVE-0-2019-0561
GCVE (VulDB): GCVE-100-128745
SecurityFocus: 106399 - Microsoft Word CVE-2019-0561 Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 01/08/2019 22:27
Updated: 04/26/2020 16:05
Changes: 01/08/2019 22:27 (77), 04/26/2020 16:05 (5)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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