Mozilla Firefox up to 97 Autofill Tooltip behavioral discrepancy

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Mozilla Firefox up to 97. This affects an unknown part of the component Autofill Tooltip Handler. Such manipulation leads to behavioral discrepancy. This vulnerability is uniquely identified as CVE-2022-26382. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Mozilla Firefox up to 97 (Web Browser). Affected by this issue is an unknown functionality of the component Autofill Tooltip Handler. The manipulation with an unknown input leads to a behavioral discrepancy vulnerability. Using CWE to declare the problem leads to CWE-205. The product's behaviors indicate important differences that may be observed by unauthorized actors in a way that reveals (1) its internal state or decision process, or (2) differences from other products with equivalent functionality. Impacted is confidentiality.

The weakness was disclosed 03/08/2022 by Young Min Kim as Bug 1741888 as confirmed advisory (Website). The advisory is available at bugzilla.mozilla.org. The advisory contains:

While the text displayed in Autofill tooltips cannot be directly read by JavaScript, the text was rendered using page fonts. Side-channel attacks on the text by using specially crafted fonts could have lead to this text being inferred by the webpage.
This vulnerability is handled as CVE-2022-26382. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

Upgrading to version 98 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-2022-30941). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
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: Behavioral discrepancy
CWE: CWE-205 / CWE-203 / CWE-200
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: Firefox 98

Timelineinfo

03/03/2022 🔍
03/08/2022 +5 days 🔍
03/08/2022 +0 days 🔍
09/29/2022 +205 days 🔍
05/09/2026 +1318 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Bug 1741888
Researcher: Young Min Kim
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-26382 (🔍)
GCVE (CVE): GCVE-0-2022-26382
GCVE (VulDB): GCVE-100-209882
EUVD: 🔍

Entryinfo

Created: 09/29/2022 17:43
Updated: 05/09/2026 07:18
Changes: 09/29/2022 17:43 (17), 09/29/2022 17:47 (29), 10/26/2022 08:46 (1), 05/09/2026 07:18 (15)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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