Vulnerability · Published Dec 22, 2022 · Assigned by mozilla

CVE-2022-45418

Medium 6.1

In plain English

A medium-severity security flaw in Firefox from Mozilla. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.8%top 44.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

If a custom mouse cursor is specified in CSS, under certain circumstances the cursor could have been drawn over the browser UI, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8firefox102.5.0-1.el8_7.almaALSA-2022:8554
AlmaLinux:9firefox102.5.0-1.el9_1.almaALSA-2022:8580
AlmaLinux:8thunderbird102.5.0-2.el8_7.almaALSA-2022:8547
AlmaLinux:9thunderbird102.5.0-2.el9_1.almaALSA-2022:8561
Alpine:v3.20firefox-esr102.5.0-r0ALPINE-CVE-2022-45418
Alpine:v3.21firefox-esr102.5.0-r0ALPINE-CVE-2022-45418
Alpine:v3.22firefox-esr102.5.0-r0ALPINE-CVE-2022-45418
Alpine:v3.23firefox-esr102.5.0-r0ALPINE-CVE-2022-45418
Debian:12firefox-esr102.5.0esr-1DEBIAN-CVE-2022-45418
Debian:13firefox-esr102.5.0esr-1DEBIAN-CVE-2022-45418
Debian:14firefox-esr102.5.0esr-1DEBIAN-CVE-2022-45418
Debian:12thunderbird1:102.5.0-1DEBIAN-CVE-2022-45418
Debian:13thunderbird1:102.5.0-1DEBIAN-CVE-2022-45418
Debian:14thunderbird1:102.5.0-1DEBIAN-CVE-2022-45418
Rocky Linux:8firefox0:102.5.0-1.el8_7RLSA-2022:8554
Rocky Linux:8thunderbird0:102.5.0-2.el8_7RLSA-2022:8547
Ubuntu:22.04:LTSmozjs78no fix listedUBUNTU-CVE-2022-45418
Ubuntu:22.04:LTSmozjs91no fix listedUBUNTU-CVE-2022-45418
Ubuntu:22.04:LTSthunderbird1:102.7.1+build2-0ubuntu0.22.04.1UBUNTU-CVE-2022-45418
Ubuntu:22.04:LTSthunderbird1:102.7.1+build2-0ubuntu0.22.04.1USN-5824-1

Affected products (as reported)

VendorProductVersions
Mozilla Firefox ESR unspecified – before 102.5
Mozilla Thunderbird unspecified – before 102.5
Mozilla Firefox unspecified – before 107

Weakness: CWE-1021 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References