SB2022101840 - Multiple vulnerabilities in Mozilla Firefox and Firefox ESR
Published: October 18, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 6 secuirty vulnerabilities.
1) Security features bypass (CVE-ID: CVE-2022-42927)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to same-origin policy violation in the performance.getEntries() method. A remote attacker can trick the victim to open a specially crafted website and gain obtain cross-origin URL entries.
2) Buffer overflow (CVE-ID: CVE-2022-42928)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Garbage Collector within the JS engine. A remote attacker can create a specially crafted website, 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.
3) Resource management error (CVE-ID: CVE-2022-42929)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources within the application when handling window.print() events. A remote attacker trick the victim to open a specially crafted website and perform a denial of service (DoS) attack.
4) Buffer overflow (CVE-ID: CVE-2022-42932)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when handling HTML content. A remote attacker can create a specially crafted website, 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.
5) Race condition (CVE-ID: CVE-2022-42930)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to a race condition in DOM workers when simultaneously initializing their CacheStorage. A remote attacker can exploit the data race in the ThirdPartyUtil component and gain access to sensitive information.
6) Cleartext storage of sensitive information (CVE-ID: CVE-2022-42931)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists in Firefox uses Form Manager component to store login names in an unencrypted file on disk. A local user can read contents of the file and obtain login names to different websites.
Remediation
Install update from vendor's website.