SB2017031496 - Windows DNS Query Information Disclosure Vulnerability



SB2017031496 - Windows DNS Query Information Disclosure Vulnerability

Published: March 14, 2017

Security Bulletin ID SB2017031496
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Information disclosure (CVE-ID: CVE-2017-0057)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

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


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

The vulnerability exists due to an error in Windows dnsclient when processing DNS requests. A remote unauthenticated attacker can create a specially crafted web page, trick the victim into visiting it and force the client to connect to a malicious DNS server.

Successful exploitation of this vulnerability may allow an attacker to gain access to potentially sensitive information.


Remediation

Install update from vendor's website.