Mozilla Firefox up to 116 Push Notification cleartext storage in file

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Mozilla Firefox up to 116. This affects an unknown part of the component Push Notification Handler. Performing a manipulation results in cleartext storage in file. This vulnerability is reported as CVE-2023-4580. The attack requires a local approach. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 116 (Web Browser). It has been classified as problematic. This affects some unknown functionality of the component Push Notification Handler. The manipulation with an unknown input leads to a cleartext storage in file vulnerability. CWE is classifying the issue as CWE-313. The product stores sensitive information in cleartext in a file, or on disk. This is going to have an impact on confidentiality.

The weakness was disclosed 08/29/2023 by Harveer Singh as Bug 1843046 as confirmed advisory (Website). The advisory is shared at bugzilla.mozilla.org. The advisory contains:

Push notifications stored on disk in private browsing mode were not being encrypted potentially allowing the leak of sensitive information.
This vulnerability is uniquely identified as CVE-2023-4580. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1555 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 239763 (TencentOS Server 4: thunderbird (TSSA-2024:0450)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 117 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 Tenable (239763). 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: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 239763
Nessus Name: TencentOS Server 4: thunderbird (TSSA-2024:0450)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Firefox 117

Timelineinfo

08/29/2023 🔍
08/29/2023 +0 days 🔍
08/29/2023 +0 days 🔍
08/30/2023 +1 days 🔍
06/20/2025 +660 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Bug 1843046
Researcher: Harveer Singh
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-4580 (🔍)
GCVE (CVE): GCVE-0-2023-4580
GCVE (VulDB): GCVE-100-238317

Entryinfo

Created: 08/30/2023 14:26
Updated: 06/20/2025 18:34
Changes: 08/30/2023 14:26 (17), 08/30/2023 14:30 (29), 09/22/2023 17:42 (2), 09/22/2023 17:49 (11), 06/20/2025 18:34 (17)
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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