Microsoft Outlook up to 2016 C2R Attachment input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Microsoft Outlook 2010 SP2/2013 RT SP1/2013 SP1/2016/2016 C2R. Affected is an unknown function of the component Attachment Handler. Such manipulation leads to input validation. This vulnerability is listed as CVE-2018-8310. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Microsoft Outlook 2010 SP2/2013 RT SP1/2013 SP1/2016/2016 C2R (Groupware Software) and classified as critical. Affected by this issue is an unknown part of the component Attachment Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A tampering vulnerability exists when Microsoft Outlook does not properly handle specific attachment types when rendering HTML emails, aka "Microsoft Office Tampering Vulnerability." This affects Microsoft Word, Microsoft Office.

The weakness was presented 07/11/2018 with Microsoft (Website). The advisory is shared for download at portal.msrc.microsoft.com. This vulnerability is handled as CVE-2018-8310 since 03/14/2018. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 110994 (Security Updates for Microsoft Word Products (July 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 110320 (Microsoft Office and Microsoft Office Services and Web Apps Security Update July 2018).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (110994) and SecurityFocus (BID 104615†). See VDB-121094, VDB-121098, VDB-121105 and VDB-121106 for similar entries. 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: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 110994
Nessus Name: Security Updates for Microsoft Word Products (July 2018)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Timelineinfo

03/14/2018 🔍
07/10/2018 +117 days 🔍
07/10/2018 +0 days 🔍
07/10/2018 +0 days 🔍
07/10/2018 +0 days 🔍
07/11/2018 +1 days 🔍
07/11/2018 +0 days 🔍
04/06/2023 +1730 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: portal.msrc.microsoft.com
Organization: Microsoft
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-8310 (🔍)
GCVE (CVE): GCVE-0-2018-8310
GCVE (VulDB): GCVE-100-121208

OVAL: 🔍

SecurityFocus: 104615 - Microsoft Office CVE-2018-8310 Security Bypass Vulnerability
SecurityTracker: 1041274

See also: 🔍

Entryinfo

Created: 07/11/2018 11:20
Updated: 04/06/2023 12:04
Changes: 07/11/2018 11:20 (72), 03/02/2020 12:05 (6), 04/06/2023 12:04 (4)
Complete: 🔍
Cache ID: 216::103

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