SB2019052725 - Permissions, Privileges, and Access Controls in firefox-esr (Alpine package)
Published: May 27, 2019
Security Bulletin ID
SB2019052725
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 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-9797)
The vulnerability allows a remote attacker to gain unauthorized access to sensitive information.
The vulnerability exists due to incorrect implementation of the cross-origin policy when reading images using createImageBitmap. A remote attacker can trick the victim into visiting a specially crafted web page and gain access to images opened in other browser tabs.
Remediation
Install update from vendor's website.