CVE-2017-6517

CRITICAL

Microsoft Skype 7.16.0.102 - Unauthenticated Remote Code Execution via DLL Hijacking

Title source: llm

Description

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.

References (7)

Core 7

Core References

Mailing List, Third Party Advisory mailing-list x_refsource_fulldisc

http://seclists.org/fulldisclosure/2017/Mar/44

Press/Media Coverage x_refsource_misc

https://twitter.com/tiger_tigerboy/status/755332687141883904

Press/Media Coverage x_refsource_misc

https://twitter.com/vysecurity/status/845013670103003138

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/96969

Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack

http://www.securitytracker.com/id/1038209

Not Applicable x_refsource_confirm

https://technet.microsoft.com/security/cc308575.aspx

Exploit, Third Party Advisory, US Government Resource x_refsource_misc

http://packetstormsecurity.com/files/141650/Skype-7.16.0.102-DLL-Hijacking.html

Scores

CVSS v3 9.8

EPSS 0.4634

EPSS Percentile 98.7%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-427

Status published

Products (1)

microsoft/skype 7.16.0.102

Published Mar 23, 2017

Tracked Since Feb 18, 2026