CVE-2022-22753

Public Exploit

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.

Category

7.1
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.14%
Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Affected: Mozilla Thunderbird
Affected: Mozilla Firefox ESR
Published at:
Updated at:

References

Link Tags
https://www.mozilla.org/security/advisories/mfsa2022-05/ vendor advisory
https://www.mozilla.org/security/advisories/mfsa2022-04/ vendor advisory
https://www.mozilla.org/security/advisories/mfsa2022-06/ vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1732435 issue tracking exploit vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-22753?
CVE-2022-22753 has been scored as a high severity vulnerability.
How to fix CVE-2022-22753?
To fix CVE-2022-22753, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-22753 being actively exploited in the wild?
It is possible that CVE-2022-22753 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-22753?
CVE-2022-22753 affects Mozilla Firefox, Mozilla Thunderbird, Mozilla Firefox ESR.
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