Mozilla Thunderbird up to 91.4 on Windows Fullscreen race condition

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Mozilla Thunderbird up to 91.4 on Windows. It has been classified as critical. Affected by this issue is some unknown functionality of the component Fullscreen Handler. The manipulation leads to race condition. This vulnerability is uniquely identified as CVE-2022-22746. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Mozilla Thunderbird up to 91.4 on Windows (Mail Client Software). This issue affects an unknown code block of the component Fullscreen Handler. The manipulation with an unknown input leads to a race condition vulnerability. Using CWE to declare the problem leads to CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 01/11/2022 by Irvan Kurniawan as Bug 1735071 as confirmed advisory (Website). The advisory is shared at bugzilla.mozilla.org. The advisory contains:

A race condition could have allowed bypassing the fullscreen notification which could have lead to a fullscreen window spoof being unnoticed.This bug only affects Firefox for Windows. Other operating systems are unaffected.
The identification of this vulnerability is CVE-2022-22746. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

Upgrading to version 91.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-27889). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Thunderbird 91.5

Timelineinfo

01/07/2022 🔍
01/11/2022 +4 days 🔍
01/11/2022 +0 days 🔍
09/29/2022 +261 days 🔍
04/28/2026 +1307 days 🔍

Sourcesinfo

Vendor: mozilla.org

Advisory: Bug 1735071
Researcher: Irvan Kurniawan
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-22746 (🔍)
GCVE (CVE): GCVE-0-2022-22746
GCVE (VulDB): GCVE-100-209837
EUVD: 🔍

Entryinfo

Created: 09/29/2022 15:35
Updated: 04/28/2026 13:15
Changes: 09/29/2022 15:35 (16), 09/29/2022 15:36 (2), 09/29/2022 15:39 (29), 10/25/2022 16:18 (1), 04/28/2026 13:15 (15)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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