Microsoft Edge Scripting Engine memory corruption

Summaryinfo

A vulnerability was found in Microsoft Edge. It has been declared as critical. Affected is an unknown function of the component Scripting Engine. Executing a manipulation can lead to memory corruption. The identification of this vulnerability is CVE-2017-0028. The attack may be launched remotely. There is no exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as critical was found in Microsoft Edge (Web Browser) (version now known). This vulnerability affects some unknown processing of the component Scripting Engine. 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 when Microsoft scripting engine improperly accesses objects in memory. The vulnerability could corrupt memory in a way that enables an attacker to execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user, aka "Scripting Engine Memory Corruption Vulnerability."

The bug was discovered 01/13/2017. The weakness was shared 07/17/2017 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability was named CVE-2017-0028 since 09/09/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 12/12/2022).

The vulnerability was handled as a non-public zero-day exploit for at least 185 days. During that time the estimated underground price was around $25k-$100k.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

The entries VDB-103566 and VDB-103565 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Web Browser

Vendor

• Microsoft

Name

• Edge

License

• commercial

Website

• Vendor: https://www.microsoft.com/

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Once again VulDB remains the best source for vulnerability data.

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