SB2018071021 - Information disclosure in Windows Mail Client
Published: July 10, 2018
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Information disclosure (CVE-ID: CVE-2018-8305)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 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
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.
Remediation
Install update from vendor's website.