SB2023083113 - Multiple vulnerabilities in Mozilla Thunderbird 102

Description

This security bulletin contains information about 6 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2023-4573)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in IPC CanvasTranslator. A remote attacker can trick the victim to open a specially crafted website, trigger memory corruption and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

2) Use-after-free (CVE-ID: CVE-2023-4574)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in IPC ColorPickerShownCallback. A remote attacker can trick the victim to open a specially crafted website, trigger memory corruption and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

3) Use-after-free (CVE-ID: CVE-2023-4575)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in IPC FilePickerShownCallback. A remote attacker can trick the victim to open a specially crafted website, trigger memory corruption and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

4) Integer overflow (CVE-ID: CVE-2023-4576)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in RecordedSourceSurfaceCreation. A remote attacker can trick the victim to visit a specially crafted website, trigger an integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Note, the vulnerability affects Firefox installations on Windows only.

5) Insufficient UI Warning of Dangerous Operations (CVE-ID: CVE-2023-4581)

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

The vulnerability exists due to a missing warning when downloading Excel .xll add-in files. A remote attacker can trick the victim to visit a specially crafted website and force the browser to download potentially dangerous files without any warning.

6) Buffer overflow (CVE-ID: CVE-2023-4584)

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.

Remediation

Install update from vendor's website.

References

• https://www.mozilla.org/en-US/security/advisories/mfsa2023-37/