Security bypass in Lync for macOS - CVE-2017-0129
Published: March 14, 2017
Vulnerability identifier: #VU6029
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-0129
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Lync for macOS
Lync for macOS
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass security restrictions on the target system.
The vulnerability exists due to improper certificates validation. A remote attacker can perform man-in-the-middle attack and tamper with trusted communications between the server and target client.
Successful exploitation of the vulnerability may result in successful Man-in-the-Middle (MitM) attack against vulnerable system.
How to mitigate CVE-2017-0129
Install update from vendor's website.