Microsoft Excel up to 2019 information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Excel up to 2019 and classified as critical. This issue affects some unknown processing. The manipulation results in information disclosure. This vulnerability is cataloged as CVE-2018-8627. The attack may be launched remotely. There is no exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Microsoft Excel up to 2019 (Spreadsheet Software). It has been classified as critical. Affected is an unknown code. The manipulation with an unknown input leads to a information disclosure vulnerability. 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, integrity, and availability.

The bug was discovered 12/11/2018. The weakness was shared 12/11/2018 with Qihoo as confirmed security update guide (Website). The advisory is shared for download at portal.msrc.microsoft.com. The vendor cooperated in the coordination of the public release. This vulnerability is traded as CVE-2018-8627 since 03/14/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592. The advisory points out:

An information disclosure vulnerability exists when Microsoft Excel software reads out of bound memory due to an uninitialized variable, which could disclose the contents of memory. An attacker who successfully exploited the vulnerability could view out of bound memory.

The vulnerability scanner Nessus provides a plugin with the ID 119596 (Security Updates for Microsoft Office Compatibility Products (December 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 110327 (Microsoft Office and Microsoft Office Services and Web Apps Security Update December 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 (119596) and SecurityFocus (BID 106120†). The entries VDB-127804, VDB-127805, VDB-127806 and VDB-127809 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

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Exploitinginfo

Class: Information disclosure
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: 119596
Nessus Name: Security Updates for Microsoft Office Compatibility Products (December 2018)
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: 🔍
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Timelineinfo

03/14/2018 🔍
12/11/2018 +272 days 🔍
12/11/2018 +0 days 🔍
12/11/2018 +0 days 🔍
12/11/2018 +0 days 🔍
12/11/2018 +0 days 🔍
12/11/2018 +0 days 🔍
12/12/2018 +1 days 🔍
06/18/2023 +1649 days 🔍

Sourcesinfo

Vendor: microsoft.com

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

CVE: CVE-2018-8627 (🔍)
GCVE (CVE): GCVE-0-2018-8627
GCVE (VulDB): GCVE-100-127824
SecurityFocus: 106120 - Microsoft Excel CVE-2018-8627 Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 12/12/2018 08:08
Updated: 06/18/2023 09:10
Changes: 12/12/2018 08:08 (75), 04/19/2020 17:54 (6), 06/18/2023 09:10 (4)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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