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CVE-2022-22753

7.1 · HIGH

A Time-of-Check Time-of-Use bug existed in the Maintenance (Updater) Service that could be abused to grant Users write access to an arbitrary directory.

Published Dec 22, 2022CWE-367EPSS 0.63%

Overview

CVE-2022-22753 is a high-severity vulnerability. It was published on December 22, 2022 and has a CVSS 3.1 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

A Time-of-Check Time-of-Use bug existed in the Maintenance (Updater) Service that could be abused to grant Users write access to an arbitrary directory. This could have been used to escalate to SYSTEM access.<br>*This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refbugzilla.mozilla.org/show_bug.cgi?id=1732435Refwww.mozilla.org/security/advisories/mfsa2022-04/Refwww.mozilla.org/security/advisories/mfsa2022-05/Refwww.mozilla.org/security/advisories/mfsa2022-06/Refbugzilla.mozilla.org/show_bug.cgi?id=1732435Refwww.mozilla.org/security/advisories/mfsa2022-04/Refwww.mozilla.org/security/advisories/mfsa2022-05/Refwww.mozilla.org/security/advisories/mfsa2022-06/

How CyberStrike helps

Frequently asked questions

What is CVE-2022-22753?

CVE-2022-22753 is a high-severity vulnerability. It was published on December 22, 2022 and has a CVSS 3.1 base score of 7.1 (HIGH).

How severe is CVE-2022-22753?

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-22753?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-22753?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-22753 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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