Microsoft Windows SMB Out-Of-Bounds Read Denial of Service Vulnerability
Vulnerability Details
This vulnerability allows remote attackers to create a denial-of-service on vulnerable installations of Microsoft Windows. Authentication is required to exploit this vulnerability, assuming the product is in its default configuration.
The specific flaw exists within the srv driver. A crafted request to an SMB share can trigger a read past the end of an allocated buffer. An attacker can leverage this vulnerability to create a denial-of-service condition to users of the system.
Additional Details
Microsoft has issued an update to correct this vulnerability. More details can be found at:
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11781
Disclosure Timeline
- 2017-07-27 - Vulnerability reported to vendor
- 2017-10-10 - Coordinated public release of advisory
Credit
pesante
