Vulnerability Name:

CVE-2021-29950 (CCN-204389)

Assigned:2021-03-08
Published:2021-03-08
Updated:2021-06-25
Summary:Thunderbird unprotects a secret OpenPGP key prior to using it for a decryption, signing or key import task. If the task runs into a failure, the secret key may remain in memory in its unprotected state. This vulnerability affects Thunderbird < 78.8.1.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
6.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
5.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/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): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
7.5 High (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
6.5 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-312
CWE-522
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2021-29950

Source: MISC
Type: Exploit, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1673239

Source: XF
Type: UNKNOWN
mozilla-thunderbird-cve202129950-info-disc(204389)

Source: CCN
Type: Mozilla Foundation Security Advisory 2021-17
Security Vulnerabilities fixed in Thunderbird 78.8.1

Source: MISC
Type: Release Notes, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-17/

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2021-29950

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

    • 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:*:*:*:*:*

    • * 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: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: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
    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:com.redhat.rhsa:def:20211193
    P
    		RHSA-2021:1193: thunderbird security update (Moderate)
    2021-04-14
    oval:com.redhat.rhsa:def:20211192
    P
    		RHSA-2021:1192: thunderbird security update (Moderate)
    2021-04-14
    BACK
    mozilla thunderbird *