Input validation error in Microsoft products - CVE-2018-8546
Published: November 13, 2018
Vulnerability identifier: #VU15848
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-8546
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Skype for Business
Microsoft Lync
Microsoft Office
Skype for Business
Microsoft Lync
Microsoft Office
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when processing a certain number of emojis. A remote attacker can send a very long message consisting of emojis and crash the affected application.
How to mitigate CVE-2018-8546
Install updates from vendor's website.