SB2022080159 - Red Hat Enterprise Linux 8 update for firefox
Published: August 1, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Buffer overflow (CVE-ID: CVE-2022-2505)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
2) Cross-site scripting (CVE-ID: CVE-2022-36318)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data when visiting directory listings for chrome:// URLs as source text. A remote attacker can execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
3) Spoofing attack (CVE-ID: CVE-2022-36319)
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to an error, related to mouse pointer positioning when combining CSS properties for overflow and transform. A remote attacker can trick the victim into interacting with mouse cursor with different coordinates than displayed.
Remediation
Install update from vendor's website.