Vulnerability Name:

CVE-2021-29957 (CCN-201943)

Assigned:2021-05-17
Published:2021-05-17
Updated:2021-06-30
Summary:If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but also contains an additional unprotected part, Thunderbird did not indicate that only parts of the message are protected. 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:N/I:L/A:N)
3.8 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/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): None
Integrity (I): Low
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:N/I:L/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:N/I:L/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): None
Integrity (I): Low
Availibility (A): None
3.5 Low (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N)
3.1 Low (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
4.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-Other
CWE-347
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-29957

Source: MISC
Type: Exploit, Patch, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1673241

Source: XF
Type: UNKNOWN
thunderbird-cve202129957-weak-sec(201943)

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-2021-29957

Vulnerable Configuration:Configuration 1:
  • cpe:/a:mozilla:thunderbird:*:*:*:*:*:*:*:* (Version < 78.10.2)

    • 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