Vulnerability · Published Dec 22, 2022 · Assigned by mozilla

CVE-2022-22753

High 7.1

In plain English

A high-severity security flaw in Firefox from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 51% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.7%top 48.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20firefox97.0-r0ALPINE-CVE-2022-22753
Alpine:v3.21firefox97.0-r0ALPINE-CVE-2022-22753
Alpine:v3.22firefox97.0-r0ALPINE-CVE-2022-22753
Alpine:v3.23firefox97.0-r0ALPINE-CVE-2022-22753
Alpine:v3.21librewolf97.0-r0ALPINE-CVE-2022-22753
Alpine:v3.22librewolf97.0-r0ALPINE-CVE-2022-22753
Alpine:v3.23librewolf97.0-r0ALPINE-CVE-2022-22753
Alpine:v3.24librewolf97.0-r0ALPINE-CVE-2022-22753
Alpine:v3.20thunderbird91.6.0-r0ALPINE-CVE-2022-22753
Alpine:v3.21thunderbird91.6.0-r0ALPINE-CVE-2022-22753
Alpine:v3.22thunderbird91.6.0-r0ALPINE-CVE-2022-22753
Alpine:v3.23thunderbird91.6.0-r0ALPINE-CVE-2022-22753

Affected products (as reported)

VendorProductVersions
Mozilla Firefox unspecified – before 97
Mozilla Thunderbird unspecified – before 91.6
Mozilla Firefox ESR unspecified – before 91.6

Weakness: CWE-367 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

References