Mozilla Thunderbird up to 91.13.0 HTML Email information disclosure

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.
4.1	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Mozilla Thunderbird up to 91.13.0. This affects an unknown part of the component HTML Email Handler. Performing a manipulation results in information disclosure. This vulnerability is known as CVE-2022-3032. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Thunderbird up to 91.13.0 (Mail Client Software). It has been classified as problematic. This affects an unknown functionality of the component HTML Email Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality.

The weakness was published 09/19/2022 by Sarah Jamie Lewis as Bug 1783831 as confirmed advisory (Website). The advisory is shared at bugzilla.mozilla.org. The advisory contains:

When receiving an HTML email that contained an iframe element, which used a srcdoc attribute to define the inner HTML document, remote objects specified in the nested document, for example images or videos, were not blocked. Rather, the network was accessed, the objects were loaded and displayed.

This vulnerability is uniquely identified as CVE-2022-3032. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 208589 (CentOS 7 : thunderbird (RHSA-2022:6710)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 91.13.1 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 (208589). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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
• 91.11
• 91.12
• 91.13.0

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: 4.3
VulDB Meta Temp Score: 4.1

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

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: Information disclosure
CWE: CWE-200 / 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: 🔍

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

Nessus ID: 208589
Nessus Name: CentOS 7 : thunderbird (RHSA-2022:6710)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Thunderbird 91.13.1

Timelineinfo

08/29/2022 🔍
09/19/2022 +21 days 🔍
09/19/2022 +0 days 🔍
09/29/2022 +10 days 🔍
04/29/2025 +943 days 🔍

Sourcesinfo

Vendor: mozilla.org

Advisory: Bug 1783831
Researcher: Sarah Jamie Lewis
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-3032 (🔍)
GCVE (CVE): GCVE-0-2022-3032
GCVE (VulDB): GCVE-100-209805

Entryinfo

Created: 09/29/2022 14:21
Updated: 04/29/2025 15:42
Changes: 09/29/2022 14:21 (11), 09/29/2022 14:22 (6), 09/29/2022 14:25 (29), 10/25/2022 13:42 (1), 10/14/2024 22:30 (16), 04/29/2025 15:42 (3)
Complete: 🔍
Cache ID: 216::103

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Discussion

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