Microsoft Office 365 Apps for Enterprise/2013 C2R/2019 privileges management

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6.7$0-$5k0.00

A vulnerability classified as critical was found in Microsoft Office 365 Apps for Enterprise/2013 C2R/2019 (Office Suite Software). This vulnerability affects an unknown code block. The manipulation with an unknown input leads to a privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-269. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An elevation of privilege vulnerability exists in the way that Microsoft Office Click-to-Run (C2R) components handle objects in memory, aka 'Microsoft Office Click-to-Run Elevation of Privilege Vulnerability'.

The weakness was presented 08/11/2020 as confirmed security update guide (Website). The advisory is available at portal.msrc.microsoft.com. The public release was coordinated in cooperation with the vendor. This vulnerability was named CVE-2020-1581 since 11/04/2019. The attack can be initiated remotely. The requirement for exploitation is a single authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 11/08/2020). The advisory points out:

An elevation of privilege vulnerability exists in the way that Microsoft Office Click-to-Run (C2R) components handle objects in memory. An attacker who successfully exploited the vulnerability could elevate privileges. The attacker would need to already have the ability to execute code on the system.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

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VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.7

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

NVD Base Score: 7.8
NVD Vector: 🔒

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VulDB Base Score: 🔒
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Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-269
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Countermeasuresinfoedit

Recommended: Patch
Status: 🔍

Reaction Time: 🔒
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Timelineinfoedit

11/04/2019 CVE assigned
08/11/2020 +281 days Advisory disclosed
08/11/2020 +0 days Countermeasure disclosed
08/12/2020 +1 days VulDB entry created
11/08/2020 +88 days VulDB last update

Sourcesinfoedit

Vendor: https://www.microsoft.com/

Advisory: portal.msrc.microsoft.com
Status: Confirmed
Coordinated: 🔒

CVE: CVE-2020-1581 (🔒)

Entryinfoedit

Created: 08/12/2020 08:40 AM
Updated: 11/08/2020 11:04 AM
Changes: (1) source_cve_assigned
Complete: 🔍

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