Mozilla Thunderbird up to 91.8 Speech Synthesis access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Mozilla Thunderbird up to 91.8. Affected is an unknown function of the component Speech Synthesis. The manipulation leads to access control. This vulnerability is referenced as CVE-2022-29913. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Mozilla Thunderbird up to 91.8 (Mail Client Software). This issue affects an unknown functionality of the component Speech Synthesis. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The parent process would not properly check whether the Speech Synthesis feature is enabled, when receiving instructions from a child process. This vulnerability affects Thunderbird < 91.9.

The weakness was published 05/03/2022 by Andrew McCreight as Bug 1764778 as confirmed advisory (Website). The advisory is shared at bugzilla.mozilla.org. The advisory contains:

The parent process would not properly check whether the Speech Synthesis feature is enabled, when receiving instructions from a child process.
The identification of this vulnerability is CVE-2022-29913. 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 04/16/2025). MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 233716 (Amazon Linux 2 : thunderbird (ALAS-2025-2807)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 91.9 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 (233716). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Access control
CWE: CWE-284 / CWE-266
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: 233716
Nessus Name: Amazon Linux 2 : thunderbird (ALAS-2025-2807)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Thunderbird 91.9

Timelineinfo

04/29/2022 🔍
05/03/2022 +4 days 🔍
05/03/2022 +0 days 🔍
09/30/2022 +150 days 🔍
04/16/2025 +928 days 🔍

Sourcesinfo

Vendor: mozilla.org

Advisory: Bug 1764778
Researcher: Andrew McCreight
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-29913 (🔍)
GCVE (CVE): GCVE-0-2022-29913
GCVE (VulDB): GCVE-100-209945

Entryinfo

Created: 09/30/2022 10:05
Updated: 04/16/2025 01:29
Changes: 09/30/2022 10:05 (17), 09/30/2022 10:09 (29), 10/26/2022 14:08 (1), 04/02/2025 12:00 (16), 04/16/2025 01:29 (13)
Complete: 🔍
Cache ID: 216::103

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

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