Buffer overflow in Microsoft Lync and Skype for Business - CVE-2018-8311

 

Buffer overflow in Microsoft Lync and Skype for Business - CVE-2018-8311

Published: July 10, 2018


Vulnerability identifier: #VU13787
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-8311
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing untrusted content. A remote attacker can create a specially crafted Office document, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

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


Affected software

Microsoft Lync
Skype for Business

How to mitigate CVE-2018-8311

Install updates from vendor's website.


External References

Related Security Bulletins