SB2022082315 - Multiple vulnerabilities in Mozilla Firefox

Description

This security bulletin contains information about 7 secuirty vulnerabilities.

1) Spoofing attack (CVE-ID: CVE-2022-38472)

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of XSLT errors. A remote attacker can spoof the address bar and trick the user into submitting data intended for the spoofed origin.

2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-38473)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrectly imposed security restrictions on a cross-origin iframe referencing an XSLT document. A remote attacker can trick the victim to visit a specially crafted website and inherit the parent domain's permissions to access microphone or camera.

3) Security features bypass (CVE-ID: CVE-2022-38474)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to the way the browser displays notifications. A website that has permission to access the microphone can record audio without displaying notification about it.

4) Input validation error (CVE-ID: CVE-2022-38475)

The vulnerability allows a remote attacker to bypass implemented security mechanisms.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can write a value in a zero-length JavaScript array.

5) Buffer overflow (CVE-ID: CVE-2022-38477)

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 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.

6) Buffer overflow (CVE-ID: CVE-2022-38478)

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. 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.

7) Use-after-free (CVE-ID: CVE-2022-38476)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a data race within the in the PK11_ChangePW function. A remote attacker can trigger a use-after-free error and crash the browser.

Remediation

Install update from vendor's website.

References

• https://www.mozilla.org/en-US/security/advisories/mfsa2022-33/
• https://www.mozilla.org/en-US/security/advisories/mfsa2022-35/
• https://www.mozilla.org/en-US/security/advisories/mfsa2022-34/