CVE-2021-29948
Mozilla: Race condition when reading from disk while verifying signatures
Severity Score
2.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Las firmas son escritas en el disco antes y se leen durante la verificación, lo que podría estar sujeto a una condición de carrera cuando un proceso local malicioso o un usuario está reemplazando el archivo. Esta vulnerabilidad afecta a Thunderbird versiones anteriores a 78.10
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-04-01 CVE Reserved
- 2021-04-26 CVE Published
- 2023-03-08 EPSS Updated
- 2024-08-03 CVE Updated
- 2024-08-03 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
- CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
CAPEC
References (4)
URL | Tag | Source |
---|
URL | Date | SRC |
---|---|---|
https://bugzilla.mozilla.org/show_bug.cgi?id=1692899 | 2024-08-03 |
URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
https://www.mozilla.org/security/advisories/mfsa2021-14 | 2021-06-30 | |
https://access.redhat.com/security/cve/CVE-2021-29948 | 2021-04-26 | |
https://bugzilla.redhat.com/show_bug.cgi?id=1951381 | 2021-04-26 |
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Mozilla Search vendor "Mozilla" | Thunderbird Search vendor "Mozilla" for product "Thunderbird" | < 78.10 Search vendor "Mozilla" for product "Thunderbird" and version " < 78.10" | - |
Affected
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