Microsoft Edge memory corruption

Summaryinfo

A vulnerability was found in Microsoft Edge and classified as critical. Affected by this issue is some unknown functionality. Such manipulation leads to memory corruption. This vulnerability is referenced as CVE-2019-1038. It is possible to launch the attack remotely. No exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft Edge (Web Browser) (the affected version is unknown). Affected by this issue is an unknown code. 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 browsers access objects in memory, aka 'Microsoft Browser Memory Corruption Vulnerability'.

The weakness was published 06/11/2019 as confirmed security update guide (Website). The advisory is shared for download at portal.msrc.microsoft.com. The public release has been coordinated with the vendor. This vulnerability is handled as CVE-2019-1038 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 current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 05/21/2025). The advisory points out:

A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory. The vulnerability could corrupt memory in a way that could allow 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. If the current user is logged on with administrative user rights, the attacker could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 91543 (Microsoft Edge Security Update for June 2019).

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

Similar entries are available at VDB-136266, VDB-136267, VDB-136268 and VDB-136269. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Web Browser

Vendor

• Microsoft

Name

• Edge

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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