Buffer overflow in Microsoft products - CVE-2018-8231

 

Buffer overflow in Microsoft products - CVE-2018-8231

Published: June 12, 2018 / Updated: August 16, 2022


Vulnerability identifier: #VU13297
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-8231
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Microsoft Internet Information Services (IIS)

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error within the HTTP Protocol Stack (Http.sys). A remote unauthenticated attacker can send a specially crafted packet to a targeted Http.sys server, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2018-8231

Install updates from vendor's website.

Sources