Rewterz Threat Advisory – CVE-2022-45403 – Mozilla Firefox Vulnerability

Severity

Medium

Analysis Summary

CVE-2022-45403

Mozilla could allow a remote attacker to obtain sensitive information, caused by a flaw in the Service Workers comonent. By persuading a victim to visit a specially-crafted Web site, an attacker could exploit this vulnerability to determine the presence or length of a media file, and use this information to launch further attacks against the affected system.

Impact

Information Disclosure

Indicators Of Compromise

CVE

CVE-2022-45403

Affected Vendors

Mozilla

Affected Products

Mozilla Firefox 106

Remediation

Refer to Mozilla Foundation Security Advisory for patch, upgrade or suggested workaround information.

Mozilla Foundation Security Advisory

Reading this advisory was a good start.

Make it a habit.

Rewterz publishes threat advisories ahead of mainstream cybersecurity media, informed by an AI-Native Autonomous SOC that sees regional threat actor activity in real time. Subscribe to receive each new advisory as it publishes, plus a monthly Middle East threat landscape brief drawn from our own SOC telemetry. For teams evaluating their detection coverage, a 30-minute consultation with a senior analyst is also available, at your pace, when you're ready.

Request a demo