Vulnerability Name:

CVE-2021-29948 (CCN-200198)

Assigned:2021-04-19
Published:2021-04-19
Updated:2021-06-30
Summary:Signatures are written to disk before and read during verification, which might be subject to a race condition when a malicious local process or user is replacing the file. This vulnerability affects Thunderbird < 78.10.
CVSS v3 Severity:2.5 Low (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N)
2.2 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/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): High
Availibility (A): None
2.5 Low (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N)
2.2 Low (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:1.9 Low (CVSS v2 Vector: AV:L/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Complete
Availibility (A): None
Vulnerability Type:CWE-362
CWE-367
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2021-29948

Source: MISC
Type: Exploit, Patch, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1692899

Source: XF
Type: UNKNOWN
thunderbird-cve202129948-sec-bypass(200198)

Source: CCN
Type: Mozilla Foundation Security Advisory 2021-14
Security Vulnerabilities fixed in Thunderbird 78.10

Source: MISC
Type: Release Notes, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-14/

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2021-29948

Vulnerable Configuration:Configuration 1:
  • cpe:/a:mozilla:thunderbird:*:*:*:*:*:*:*:* (Version < 78.10)

    • 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:78.9.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:645
    P
    		Security update for php7 (Moderate) (in QA)
    2022-10-04
    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: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:111358
    P
    		Security update for MozillaThunderbird (Important)
    2021-05-01
    oval:org.opensuse.security:def:119779
    P
    		Security update for MozillaThunderbird (Important)
    2021-04-29
    oval:org.opensuse.security:def:10639
    P
    		Security update for MozillaThunderbird (Important)
    2021-04-29
    oval:org.opensuse.security:def:70779
    P
    		Security update for MozillaThunderbird (Important)
    2021-04-29
    oval:org.opensuse.security:def:96301
    P
    		Security update for MozillaThunderbird (Important)
    2021-04-29
    oval:org.opensuse.security:def:96911
    P
    		Security update for MozillaThunderbird (Important)
    2021-04-29
    oval:org.opensuse.security:def:109639
    P
    		Security update for MozillaThunderbird (Important)
    2021-04-29
    oval:org.opensuse.security:def:102973
    P
    		Security update for MozillaThunderbird (Important)
    2021-04-29
    oval:com.redhat.rhsa:def:20211350
    P
    		RHSA-2021:1350: thunderbird security update (Important)
    2021-04-26
    oval:com.redhat.rhsa:def:20211353
    P
    		RHSA-2021:1353: thunderbird security update (Important)
    2021-04-26
    BACK
    mozilla thunderbird *
    mozilla thunderbird 78.9.0