SB2022041311 - Spoofing attack in Microsoft Skype for Business and Lync
Published: April 13, 2022
Security Bulletin ID
SB2022041311
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Spoofing attack (CVE-ID: CVE-2022-26910)
CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data in Skype for Business and Lync. A remote attacker can make a specially crafted network call to the target Skype for Business server and disclose IP addresses or port numbers.
Remediation
Install update from vendor's website.