SB2017101022 - Privilege escalation in Windows Update Delivery Optimization component of Microsoft Windows

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Main Vulnerability Database SB2017101022

SB2017101022 - Privilege escalation in Windows Update Delivery Optimization component of Microsoft Windows

Published: October 10, 2017 Updated: October 11, 2017

Security Bulletin ID SB2017101022
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Privilege escalation (CVE-ID: CVE-2017-11829)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

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


The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists in the Windows Update Delivery Optimization component of Microsoft Windows due to improper access controls when handling file shares. A local attacker can access the system and execute a Delivery Optimization job that submits malicious input, overwrite arbitrary files and execute arbitrary code with SYSTEM privileges.

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


Remediation

Install update from vendor's website.

References