SB2022022119 - Debian update for webkit2gtk
Published: February 21, 2022 Updated: November 13, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Code Injection (CVE-ID: CVE-2022-22589)
The vulnerability allows a remote attacker to execute arbitrary JavaScript code on the system.
The vulnerability exists due to improper input validation in WebKit when processing email messages. A remote attacker can trick the victim to open a specially crafted email message and execute arbitrary JavaScript code on the system.
2) Use-after-free (CVE-ID: CVE-2022-22590)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing HTML content in WebKit. A remote attacker can trick the victim to open a specially crafted web page, trigger a use-after-free error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
3) Security features bypass (CVE-ID: CVE-2022-22592)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to a logic issue when processing HTML content in WebKit. A remote attacker can create a specially crafted web page, trick the victim into visiting it and prevent Content Security Policy from being enforced.
4) Use-after-free (CVE-ID: CVE-2022-22620)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing HTML content in WebKit. A remote attacker can trick the victim to visit a specially crafted web page, trigger a use-after-free error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Note, the vulnerability is being actively exploited in the wild.
Remediation
Install update from vendor's website.