Mozilla Thunderbird up to 91.10/101 iFrame sandbox

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4	$5k-$25k	0.00

Summaryinfo

A vulnerability was found in Mozilla Thunderbird up to 91.10/101 and classified as critical. Affected by this vulnerability is an unknown functionality of the component iFrame Handler. Such manipulation leads to sandbox. This vulnerability is referenced as CVE-2022-34468. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Mozilla Thunderbird up to 91.10/101 (Mail Client Software). Affected by this issue is an unknown code of the component iFrame Handler. The manipulation with an unknown input leads to a sandbox vulnerability. Using CWE to declare the problem leads to CWE-265. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An iframe that was not permitted to run scripts could do so if the user clicked on a <code>javascript:</code> link. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.

The weakness was published 06/28/2022 by Armin Ebert as Bug 1768537 as confirmed advisory (Website). The advisory is available at bugzilla.mozilla.org. The advisory contains:

An iframe that was not permitted to run scripts could do so if the user clicked on a javascript: link.

This vulnerability is handled as CVE-2022-34468. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 04/16/2025). This vulnerability is assigned to T1611 by the MITRE ATT&CK project.

Upgrading to version 91.11 or 102 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

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Productinfo

Type

• Mail Client Software

Vendor

• Mozilla

Name

• Thunderbird

Version

• 91.0
• 91.1
• 91.2
• 91.3
• 91.4
• 91.5
• 91.6
• 91.7
• 91.8
• 91.9
• 91.10
• 101

License

• open-source

Website

• Vendor: https://www.mozilla.org/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Sandbox
CWE: CWE-265 / CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Thunderbird 91.11/102

Timelineinfo

06/24/2022 🔍
06/28/2022 +4 days 🔍
06/28/2022 +0 days 🔍
09/30/2022 +94 days 🔍
04/16/2025 +928 days 🔍

Sourcesinfo

Vendor: mozilla.org

Advisory: Bug 1768537
Researcher: Armin Ebert
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-34468 (🔍)
GCVE (CVE): GCVE-0-2022-34468
GCVE (VulDB): GCVE-100-209990

Entryinfo

Created: 09/30/2022 10:53
Updated: 04/16/2025 01:29
Changes: 09/30/2022 10:53 (17), 09/30/2022 10:56 (29), 10/26/2022 17:41 (1), 04/16/2025 01:29 (27)
Complete: 🔍
Cache ID: 216::103

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