SB2017032315 - Insecure DLL loading in Microsoft Skype

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Main Vulnerability Database SB2017032315

SB2017032315 - Insecure DLL loading in Microsoft Skype

Published: March 23, 2017 Updated: August 8, 2020

Security Bulletin ID SB2017032315
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Insecure DLL loading (CVE-ID: CVE-2017-6517)

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Microsoft Skype 7.16.0.102 contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code on the targeted system. This vulnerability exists due to the way .dll files are loaded by Skype. It allows an attacker to load a .dll of the attacker's choosing that could execute arbitrary code without the user's knowledge.The specific flaw exists within the handling of DLL (api-ms-win-core-winrt-string-l1-1-0.dll) loading by the Skype.exe process.


Remediation

Install update from vendor's website.

References