SB2022022814 - Ubuntu update for webkit2gtk
Published: February 28, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Code Injection (CVE-ID: CVE-2022-22589)
CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
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)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
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)
CWE-ID: CWE-254 - Security Features
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
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.
Remediation
Install update from vendor's website.