Microsoft Edge memory corruption [CVE-2019-0940]

A vulnerability was found in Microsoft Edge (Web Browser) (affected version unknown). It has been declared as critical. Affected by this vulnerability is a code block. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 05/14/2019 as confirmed security update guide (Website). It is possible to read the advisory at portal.msrc.microsoft.com. The public release was coordinated in cooperation with Microsoft. This vulnerability is known as CVE-2019-0940. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/14/2019). 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.

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

See 134682 for similar entries.

Vendor

• Microsoft

Name

• Edge

• ?

• ?

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: ?
VulDB Reliability: ?

Vendor Base Score (Microsoft): 4.2
Vendor Vector (Microsoft): ?

VulDB Base Score: ?
VulDB Temp Score: ?
VulDB Reliability: ?
Class: Memory corruption (CWE-119)
Local: No
Remote: Yes

Availability: ?
Status: Not defined

Price Prediction: ?
Current Price Estimation: ?

Threat Intelligenceinfoedit

Threat: ?
Adversaries: ?
Geopolitics: ?
Economy: ?
Predictions: ?
Remediation: ?Recommended: Patch
Status: ?
Reaction Time: ?
0-Day Time: ?
Exposure Time: ?05/14/2019 Advisory disclosed
05/14/2019 +0 days Countermeasure disclosed
05/14/2019 +0 days VulDB entry created
05/14/2019 +0 days VulDB last updateAdvisory: portal.msrc.microsoft.com
Status: Confirmed
Coordinated: ?

CVE: CVE-2019-0940 (?)
See also: ?

Created: 05/14/2019 09:09 PM
Complete: ?

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