Mozilla Thunderbird up to 78.10.1 OpenPGP Key protection mechanism

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

Summaryinfo

A vulnerability has been found in Mozilla Thunderbird up to 78.10.1 and classified as critical. This impacts an unknown function of the component OpenPGP Key Handler. The manipulation leads to protection mechanism. This vulnerability is listed as CVE-2021-29956. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Mozilla Thunderbird up to 78.10.1 (Mail Client Software) and classified as critical. This issue affects an unknown part of the component OpenPGP Key Handler. The manipulation with an unknown input leads to a protection mechanism vulnerability. Using CWE to declare the problem leads to CWE-693. The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product. Impacted is confidentiality.

The weakness was presented 06/25/2021. The advisory is shared at mozilla.org. The identification of this vulnerability is CVE-2021-29956. Neither technical details nor an exploit are 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). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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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: Protection mechanism
CWE: CWE-693
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 🔍
10/14/2024 +1207 days 🔍

Sourcesinfo

Vendor: mozilla.org

Advisory: mozilla.org
Status: Confirmed

CVE: CVE-2021-29956 (🔍)
GCVE (CVE): GCVE-0-2021-29956
GCVE (VulDB): GCVE-100-177593

Entryinfo

Created: 06/25/2021 13:11
Updated: 10/14/2024 14:59
Changes: 06/25/2021 13:11 (40), 07/02/2021 14:29 (5), 07/02/2021 14:32 (16), 10/14/2024 14:59 (17)
Complete: 🔍
Cache ID: 216::103

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

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