Mozilla Thunderbird up to 115.3.1 ui layer

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 (≈)
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Mozilla Thunderbird up to 115.3.1. Affected by this issue is some unknown functionality. The manipulation leads to ui layer. This vulnerability is listed as CVE-2023-5721. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Thunderbird up to 115.3.1 (Mail Client Software). It has been rated as problematic. This issue affects an unknown code. The manipulation with an unknown input leads to a ui layer vulnerability. Using CWE to declare the problem leads to CWE-1021. The web application does not restrict or incorrectly restricts frame objects or UI layers that belong to another application or domain, which can lead to user confusion about which interface the user is interacting with. Impacted is integrity.

The weakness was presented 10/24/2023 by Kelsey Gilbert as Bug 1830820 as confirmed advisory (Website). The advisory is shared at bugzilla.mozilla.org. The advisory contains:

It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an insufficient activation-delay.
The identification of this vulnerability is CVE-2023-5721. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/06/2025).

The vulnerability scanner Nessus provides a plugin with the ID 226417 (Linux Distros Unpatched Vulnerability : CVE-2023-5721), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 115.4 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 (226417). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Ui layer
CWE: CWE-1021
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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Nessus ID: 226417
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-5721

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Thunderbird 115.4

Timelineinfo

10/23/2023 🔍
10/24/2023 +1 days 🔍
10/24/2023 +0 days 🔍
10/24/2023 +0 days 🔍
03/06/2025 +498 days 🔍

Sourcesinfo

Vendor: mozilla.org

Advisory: Bug 1830820
Researcher: Kelsey Gilbert
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-5721 (🔍)
GCVE (CVE): GCVE-0-2023-5721
GCVE (VulDB): GCVE-100-243233

Entryinfo

Created: 10/24/2023 21:19
Updated: 03/06/2025 00:35
Changes: 10/24/2023 21:19 (17), 10/24/2023 21:23 (28), 11/15/2023 12:47 (2), 11/15/2023 12:54 (10), 03/06/2025 00:35 (17)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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