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Sid 1-44817

Message

BROWSER-IE Microsoft Edge custom property memory corruption attempt

Summary

This event is generated when a stylesheet is encountered that contains an unspecified stack memory corruption. This affects Microsoft Edge.

Impact

A denial of service or remote execution is possible.

CVE-2017-11845:

CVSS base score 7.5

CVSS impact score 5.9

CVSS exploitability score 1.6

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Detailed information

This vulnerability involves an unspecified stack memory corruption in Microsoft Edge browser. It utilizes a malicious CSS stylesheet. CVE-2017-11845: Microsoft Edge in Microsoft Windows 10 1703 allows an attacker to execute arbitrary code in the context of the current user, due to how Microsoft Edge handles objects in memory, aka "Microsoft Edge Memory Corruption Vulnerability".

Affected systems

  • microsoft edge *

Ease of attack

CVE-2017-11845:

Access Vector

Access Complexity

Authentication

False positives

False negatives

Corrective action

Contributors

  • Cisco's Talos Intelligence Group

Additional References

  • portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-11845