SB2017071122 - Information disclosure in http.sys driver in Microsoft Windows



SB2017071122 - Information disclosure in http.sys driver in Microsoft Windows

Published: July 11, 2017 Updated: August 16, 2022

Security Bulletin ID SB2017071122
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Memory leak (CVE-ID: CVE-2017-8582)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to boundary error when processing objects in memory in HTTP.sys server application component. A remote attacker can send a specially crafted request to an application, which uses HTTP.sys component and gain access to potentially sensitive information.


Remediation

Install update from vendor's website.