CVE-2021-29948

CVSS V2 Low 1.9 CVSS V3 Low 2.5

Description

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.

Overview

CVE ID
CVE-2021-29948

Assigner
security@mozilla.org

Vulnerability Status
Analyzed

Published Version
2021-06-24T14:15:09

Last Modified Date
2021-06-30T18:28:55

Weakness Enumerations

CWE	URL
CWE-362	http://cwe.mitre.org/data/definitions/362.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:mozilla:thunderbird::::::::	1	OR		78.10

CVSS Version 2

Version
2.0

Vector String
AV:L/AC:M/Au:N/C:N/I:P/A:N

Access Vector
LOCAL

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
PARTIAL

Availability Impact
NONE

Base Score
1.9

Severity
LOW

Exploitability Score
3.4

Impact Score
2.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack Vector
LOCAL

Attack Compatibility
HIGH

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
NONE

Base Score
2.5

Base Severity
LOW

Exploitability Score
1

Impact Score
1.4

References

Reference URL	Reference Tags
https://www.mozilla.org/security/advisories/mfsa2021-14/	Release Notes Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1692899	Exploit Patch Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-29948
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29948

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:09:20				Added to TrackCVE
2022-12-05 04:55:57	2021-06-24T14:15Z	2021-06-24T14:15:09	CVE Published Date	updated
2022-12-05 04:55:57		2021-06-30T18:28:55	CVE Modified Date	updated
2022-12-05 04:55:57		Analyzed	Vulnerability Status	updated