Microsoft Office up to 2019 for Mac memory corruption

Summaryinfo

A vulnerability categorized as critical has been discovered in Microsoft Office up to 2019 for Mac. This affects an unknown function. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2020-0652. The attack may be performed from remote. There is no available exploit. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as critical was found in Microsoft Office up to 2019 for Mac (Office Suite Software). This vulnerability affects an unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory, aka 'Microsoft Office Memory Corruption Vulnerability'.

The weakness was presented 01/14/2020 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-2020-0652. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The advisory points out:

A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.

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

See VDB-148619 for similar entry. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Office Suite Software

Vendor

• Microsoft

Name

• Office

Version

• 365 ProPlus
• 2010 SP2
• 2013 RT SP1
• 2016
• 2019
• 2019 for Mac

License

• commercial

Website

• Vendor: https://www.microsoft.com/

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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