SB2020060955 - Information disclosure in Microsoft Edge
Published: June 9, 2020
Security Bulletin ID
SB2020060955
CSH Severity
Low
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) Origin validation error (CVE-ID: CVE-2020-1242)
CWE-ID: CWE-346 - Origin Validation Error
CVSSv4: CVSS:4.0/AV:N/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 gain access to sensitive information.
The vulnerability exists in the way that Microsoft Edge handles cross-origin requests. A remote attacker can create a specially crafted web page, trick the victim into visiting it and determine origin of all opened web pages in the browser.
Remediation
Install update from vendor's website.