Information disclosure in Mail, Calendar, and People in Windows 8.1 App Store - CVE-2018-8305
Published: July 10, 2018 / Updated: July 10, 2018
Vulnerability identifier: #VU13786
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-8305
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Mail, Calendar, and People in Windows 8.1 App Store
Mail, Calendar, and People in Windows 8.1 App Store
Detailed vulnerability description
The vulnerability allows a remote attacker to obtain potentially sensitive information.
The vulnerability exists in Windows Mail Client due to improper processing of embedded URLs. A remote attacker can trick the victim into opening a specially crafted email, automatically initiate a connection to a remote server automatically, depending on the URL contained in the malicious email, and cause Windows Mail Client to fall back to initiating a web request to a remote server, disclosing the external IP of the user's system.
How to mitigate CVE-2018-8305
Install updates from vendor's website.