#VU13789 Improper input validation in Skype for Business and Microsoft Lync - CVE-2018-8238
Published: July 10, 2018 / Updated: July 10, 2018
Vulnerability identifier: #VU13789
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-8238
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Skype for Business
Microsoft Lync
Skype for Business
Microsoft Lync
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to improper validation of UNC path links shared via messages. A remote attacker can construct a specially crafted link to file, trick the victim into clicking on that link and execute arbitrary code on the target system with privileges of the current user.
Remediation
Install updates from vendor's website.