Vulnerability Name:

CVE-2021-29956 (CCN-201944)

Assigned:2021-05-17
Published:2021-05-17
Updated:2021-06-30
Summary:OpenPGP secret keys that were imported using Thunderbird version 78.8.1 up to version 78.10.1 were stored unencrypted on the user's local disk. The master password protection was inactive for those keys. Version 78.10.2 will restore the protection mechanism for newly imported keys, and will automatically protect keys that had been imported using affected Thunderbird versions. This vulnerability affects Thunderbird < 78.10.2.
CVSS v3 Severity:4.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)
3.8 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
4.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)
3.8 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
4.2 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N)
3.7 Low (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
4.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-312
CWE-522
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2021-29956

Source: MISC
Type: Exploit, Patch, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1710290

Source: XF
Type: UNKNOWN
thunderbird-cve202129956-info-disc(201944)

Source: CCN
Type: Mozilla Foundation Security Advisory 2021-22
Security Vulnerabilities fixed in Thunderbird 78.10.2

Source: MISC
Type: Release Notes, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-22/

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2021-29956

Vulnerable Configuration:Configuration 1:
  • cpe:/a:mozilla:thunderbird:*:*:*:*:*:*:*:* (Version >= 78.8.1 and <= 78.10.1)

    • Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:7::client:*:*:*:*:*

    • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:7::server:*:*:*:*:*

    • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:7::workstation:*:*:*:*:*

    • Configuration RedHat 5:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*

    • Configuration RedHat 6:
  • cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:mozilla:thunderbird:78.10.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:3546
    P
    		libICE6-1.0.8-12.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:95176
    P
    		MozillaThunderbird-91.8.0-150200.8.65.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:6037
    P
    		Security update for webkit2gtk3 (Important)
    2022-05-16
    oval:org.opensuse.security:def:111905
    P
    		MozillaThunderbird-91.1.1-1.1 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:105478
    P
    		MozillaThunderbird-91.1.1-1.1 on GA media (Moderate)
    2021-10-01
    oval:org.opensuse.security:def:97026
    P
    		nginx-1.14.0-4.24 on GA media (Moderate)
    2021-09-21
    oval:org.opensuse.security:def:111565
    P
    		Security update for MozillaThunderbird (Moderate)
    2021-07-10
    oval:com.redhat.rhsa:def:20212263
    P
    		RHSA-2021:2263: thunderbird security update (Important)
    2021-06-07
    oval:com.redhat.rhsa:def:20212264
    P
    		RHSA-2021:2264: thunderbird security update (Important)
    2021-06-07
    oval:org.opensuse.security:def:96304
    P
    		Security update for MozillaThunderbird (Moderate)
    2021-06-04
    oval:org.opensuse.security:def:67126
    P
    		Security update for MozillaThunderbird (Moderate)
    2021-06-04
    oval:org.opensuse.security:def:102976
    P
    		Security update for MozillaThunderbird (Moderate)
    2021-06-04
    oval:org.opensuse.security:def:10642
    P
    		Security update for MozillaThunderbird (Moderate)
    2021-06-04
    oval:org.opensuse.security:def:119782
    P
    		Security update for MozillaThunderbird (Moderate)
    2021-06-04
    oval:org.opensuse.security:def:70782
    P
    		Security update for MozillaThunderbird (Moderate)
    2021-06-04
    oval:org.opensuse.security:def:102314
    P
    		Security update for MozillaThunderbird (Moderate)
    2021-06-04
    oval:org.opensuse.security:def:10677
    P
    		Security update for MozillaThunderbird (Moderate)
    2021-06-04
    oval:org.opensuse.security:def:70817
    P
    		Security update for MozillaThunderbird (Moderate)
    2021-06-04
    oval:org.opensuse.security:def:109642
    P
    		Security update for MozillaThunderbird (Moderate)
    2021-06-04
    oval:org.opensuse.security:def:76194
    P
    		Security update for MozillaThunderbird (Moderate)
    2021-06-04
    BACK
    mozilla thunderbird *
    mozilla thunderbird 78.10.1