Mozilla Thunderbird up to 78.10.1 Encrypted Message data authenticity

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Mozilla Thunderbird up to 78.10.1. Affected is an unknown function of the component Encrypted Message Handler. Such manipulation leads to data authenticity. This vulnerability is uniquely identified as CVE-2021-29957. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Mozilla Thunderbird up to 78.10.1 (Mail Client Software). Affected by this issue is an unknown part of the component Encrypted Message Handler. The manipulation with an unknown input leads to a data authenticity vulnerability. Using CWE to declare the problem leads to CWE-345. The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. Impacted is confidentiality.

The weakness was disclosed 06/25/2021. The advisory is shared for download at mozilla.org. This vulnerability is handled as CVE-2021-29957. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 208599 (CentOS 7 : thunderbird (RHSA-2021:2263)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 78.10.2 eliminates this vulnerability. The upgrade is hosted for download at mozilla.org.

The vulnerability is also documented in the vulnerability database at Tenable (208599). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Data authenticity
CWE: CWE-345
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: 208599
Nessus Name: CentOS 7 : thunderbird (RHSA-2021:2263)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Thunderbird 78.10.2

Timelineinfo

04/01/2021 🔍
06/25/2021 +85 days 🔍
06/25/2021 +0 days 🔍
05/03/2025 +1408 days 🔍

Sourcesinfo

Vendor: mozilla.org

Advisory: mozilla.org
Status: Confirmed

CVE: CVE-2021-29957 (🔍)
GCVE (CVE): GCVE-0-2021-29957
GCVE (VulDB): GCVE-100-177572

Entryinfo

Created: 06/25/2021 11:46
Updated: 05/03/2025 17:41
Changes: 06/25/2021 11:46 (39), 07/02/2021 10:51 (5), 07/02/2021 10:56 (16), 10/14/2024 15:17 (17), 05/03/2025 17:41 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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