CVE-2022-22753: High severity Mozilla Firefox ESR vulnerability
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.This bug only affects Firefox on Windows. Other operating systems are unaffected.
Other sources
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.This bug only affects Thunderbird on Windows. Other operating systems are unaffected.
— Mozilla
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 91.6 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 97 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 91.6 - Upgrade
Upgrade
alpine/firefoxto a version that resolves this vulnerability.Fixed in 97.0-r0 - Upgrade
Upgrade
alpine/librewolfto a version that resolves this vulnerability.Fixed in 97.0-r0 - Upgrade
Upgrade
alpine/thunderbirdto a version that resolves this vulnerability.Fixed in 91.6.0-r0 - Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 97 - Upgrade
Upgrade
Thunderbirdto a version that resolves this vulnerability.Fixed in 91.6
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the vulnerability ID of this bug?
The vulnerability ID of this bug is CVE-2022-22753.
What is the severity of CVE-2022-22753?
The severity of CVE-2022-22753 is high.
Which software products are affected by CVE-2022-22753?
Firefox ESR versions up to 91.6, Thunderbird versions up to 91.6, and Firefox versions up to 97 are affected by CVE-2022-22753.
How can this vulnerability be exploited?
This vulnerability can be exploited by abusing the Time-of-Check Time-of-Use bug in the Maintenance (Updater) Service to grant users write access to an arbitrary directory, potentially leading to escalation of privileges.
Are operating systems other than Windows affected by CVE-2022-22753?
No, this bug only affects Firefox on Windows. Other operating systems are unaffected.