VDB-119477 · CVE-2018-8246 · BID 104322

Microsoft Excel 2010 SP2/2013 RT SP1/2013 SP1/2016 information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in Microsoft Excel 2010 SP2/2013 RT SP1/2013 SP1/2016 (Spreadsheet Software). This issue affects an unknown functionality. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory, aka "Microsoft Excel Information Disclosure Vulnerability." This affects Microsoft Excel Viewer, Microsoft Office, Microsoft Excel.

The bug was discovered 06/12/2018. The weakness was disclosed 06/12/2018 with Qihoo 360 as confirmed security update guide (Website). The advisory is shared at portal.msrc.microsoft.com. The public release has been coordinated in cooperation with Microsoft. The identification of this vulnerability is CVE-2018-8246 since 03/14/2018. The attack may be initiated remotely. No form of authentication is needed for a successful 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 Excel improperly discloses the contents of its memory. An attacker who exploited the vulnerability could use the information to compromise the user’s computer or data.

The vulnerability scanner Nessus provides a plugin with the ID 110493 (Security Updates for Microsoft Office Viewer Products (June 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 110319 (Microsoft Office and Microsoft Office Services and Web Apps Security Update June 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 vulnerability database at Tenable (110493). The entries 119475, 119476, 119478 and 119479 are pretty similar.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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NVD Base Score: 5.5
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CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 110493
Nessus Name: Security Updates for Microsoft Office Viewer Products (June 2018)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
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Qualys ID: 🔍
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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Timelineinfo

03/14/2018 🔍
06/12/2018 +90 days 🔍
06/12/2018 +0 days 🔍
06/12/2018 +0 days 🔍
06/12/2018 +0 days 🔍
06/12/2018 +0 days 🔍
06/13/2018 +1 days 🔍
06/14/2018 +0 days 🔍
03/27/2023 +1747 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: portal.msrc.microsoft.com
Organization: Qihoo 360
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2018-8246 (🔍)
OVAL: 🔍

SecurityTracker: 1041109
SecurityFocus: 104322 - Microsoft Excel CVE-2018-8246 Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 06/13/2018 18:54
Updated: 03/27/2023 08:58
Changes: 06/13/2018 18:54 (76), 02/19/2020 06:40 (6), 03/27/2023 08:58 (4)
Complete: 🔍

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