Microsoft Office 365 ProPlus/2016 for Mac/2019 Graphics memory corruption

Summaryinfo

A vulnerability, which was classified as critical, was found in Microsoft Office 365 ProPlus/2016 for Mac/2019. The impacted element is an unknown function of the component Graphics Component. Such manipulation leads to memory corruption. This vulnerability is traded as CVE-2019-0822. The attack may be launched remotely. There is no exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft Office 365 ProPlus/2016 for Mac/2019 (Office Suite Software). Affected by this issue is some unknown functionality of the component Graphics Component. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A remote code execution vulnerability exists in the way that Microsoft Graphics Components handle objects in memory, aka 'Microsoft Graphics Components Remote Code Execution Vulnerability'.

The bug was discovered 04/09/2019. The weakness was shared 04/09/2019 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 handled as CVE-2019-0822 since 11/26/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The advisory points out:

A remote code execution vulnerability exists in the way that Microsoft Graphics Components handle objects in memory. An attacker who successfully exploited the vulnerability could execute arbitrary code on a target system.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 110333 (Microsoft Office and Microsoft Office Services and Web Apps Security Update April 2019).

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

The entries VDB-133181, VDB-133199, VDB-133200 and VDB-133201 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Office Suite Software

Vendor

• Microsoft

Name

• Office

Version

• 365 ProPlus
• 2016 for Mac
• 2019

License

• commercial

Website

• Vendor: https://www.microsoft.com/

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

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