Vulnerability identifier: #VU62809

Vulnerability risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-29913

CWE-ID: CWE-399

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mozilla Thunderbird
Client/Desktop applications / Messaging software

Vendor: Mozilla

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to improper management of internal resources when handling Speech Synthesis feature. The parent process does not properly check whether the Speech Synthesis feature is enabled, when receiving instructions from a child process.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mozilla Thunderbird: 91.0 - 91.8.1

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External links
http://www.mozilla.org/en-US/security/advisories/mfsa2022-18/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.