Microsoft PowerPoint 2016 Java Embedded Object privileges management ⚔ [Disputed]

Summaryinfo

A vulnerability was found in Microsoft PowerPoint 2016. It has been rated as critical. This issue affects some unknown processing of the component Java Embedded Object Handler. Performing a manipulation results in privileges management. The attack can be initiated remotely. Additionally, an exploit exists. It is still unclear if this vulnerability genuinely exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Microsoft PowerPoint 2016 (Presentation Software). This affects an unknown function of the component Java Embedded Object Handler. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 01/21/2017 by Fady Mohammed Osman as EDB-ID 41144 as not defined exploit (Exploit-DB). The advisory is shared at exploit-db.com. The public release was coordinated with Microsoft. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

A public exploit has been developed by Fady Mohammed Osman and been published immediately after the advisory. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 164 days. During that time the estimated underground price was around $5k-$25k. The real existence of this vulnerability is still doubted at the moment.

Upgrading eliminates this vulnerability. The exploit contains the following remark:

Microsoft confirmed that the behavior can only produced in a non patched version and considered as not reproducible.

The vulnerability is also documented in the vulnerability database at Exploit-DB (41144). Further details are available at youtube.com. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Presentation Software

Vendor

• Microsoft

Name

• PowerPoint

Version

• 2016

License

• commercial

Website

• Vendor: https://www.microsoft.com/

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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