Mozilla Firefox up to 105 Form Manager cleartext storage in file

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
2.5	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Mozilla Firefox up to 105. Impacted is an unknown function of the component Form Manager. Executing a manipulation can lead to cleartext storage in file. This vulnerability is tracked as CVE-2022-42931. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in Mozilla Firefox up to 105 (Web Browser). This vulnerability affects an unknown part of the component Form Manager. The manipulation with an unknown input leads to a cleartext storage in file vulnerability. The CWE definition for the vulnerability is CWE-313. The product stores sensitive information in cleartext in a file, or on disk. As an impact it is known to affect confidentiality.

The weakness was disclosed 10/18/2022 by Sergey Galich as Bug 1780571 as confirmed advisory (Website). The advisory is available at bugzilla.mozilla.org. The advisory contains:

Logins saved by Firefox should be managed by the Password Manager component which uses encryption to save files on-disk. Instead, the username (not password) was saved by the Form Manager to an unencrypted file on disk.

This vulnerability was named CVE-2022-42931. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1555 by the MITRE ATT&CK project.

Upgrading to version 106 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

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Productinfo

Type

• Web Browser

Vendor

• Mozilla

Name

• Firefox

Version

• 105

License

• open-source

Website

• Vendor: https://www.mozilla.org/
• Product: https://www.mozilla.org/en-US/firefox/

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.6
VulDB Meta Temp Score: 2.5

VulDB Base Score: 2.6
VulDB Temp Score: 2.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cleartext storage in file
CWE: CWE-313 / CWE-312 / CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Firefox 106

Timelineinfo

10/14/2022 🔍
10/18/2022 +4 days 🔍
10/18/2022 +0 days 🔍
10/21/2022 +3 days 🔍
11/19/2022 +29 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Bug 1780571
Researcher: Sergey Galich
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-42931 (🔍)
GCVE (CVE): GCVE-0-2022-42931
GCVE (VulDB): GCVE-100-211942

Entryinfo

Created: 10/21/2022 13:10
Updated: 11/19/2022 08:47
Changes: 10/21/2022 13:10 (17), 10/21/2022 13:14 (29), 11/19/2022 08:47 (1)
Complete: 🔍
Cache ID: 216::103

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