Mozilla Firefox up to 111 on Android Private Browsing information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Mozilla Firefox up to 111 on Android. Impacted is an unknown function of the component Private Browsing. Executing a manipulation can lead to information disclosure. This vulnerability is registered as CVE-2023-29546. The attack needs to be launched locally. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in Mozilla Firefox up to 111 on Android (Web Browser). This vulnerability affects an unknown code block of the component Private Browsing. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

When recording the screen while in Private Browsing on Firefox for Android the address bar and keyboard were not hidden, potentially leaking sensitive information. *This bug only affects Firefox for Android. Other operating systems are unaffected.* This vulnerability affects Firefox for Android < 112 and Focus for Android < 112.

The weakness was published 04/11/2023 by Irwan as Bug 1780842 as confirmed advisory (Website). The advisory is shared for download at bugzilla.mozilla.org. The advisory contains:

When recording the screen while in Private Browsing on Firefox for Android the address bar and keyboard were not hidden, potentially leaking sensitive information. This bug only affects Firefox for Android. Other operating systems are unaffected.
This vulnerability was named CVE-2023-29546. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability scanner Nessus provides a plugin with the ID 250172 (Linux Distros Unpatched Vulnerability : CVE-2023-29546), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 112 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 (250172). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

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

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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: 250172
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-29546

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Firefox 112

Timelineinfo

04/07/2023 🔍
04/11/2023 +4 days 🔍
04/11/2023 +0 days 🔍
04/14/2023 +3 days 🔍
08/17/2025 +856 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Bug 1780842
Researcher: Irwan
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-29546 (🔍)
GCVE (CVE): GCVE-0-2023-29546
GCVE (VulDB): GCVE-100-226000
scip Labs: https://www.scip.ch/en/?labs.20130704

Entryinfo

Created: 04/14/2023 16:36
Updated: 08/17/2025 09:02
Changes: 04/14/2023 16:36 (18), 04/14/2023 16:39 (29), 05/03/2023 12:45 (1), 12/11/2024 18:46 (36), 08/17/2025 09:02 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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