CVE-2021-20223 Detail
Current Description
An issue was found in fts5UnicodeTokenize() in ext/fts5/fts5_tokenize.c in Sqlite. A unicode61 tokenizer configured to treat unicode “control-characters” (class Cc), was treating embedded nul characters as tokens. The issue was fixed in sqlite-3.34.0 and later.
Analysis Description
An issue was found in fts5UnicodeTokenize() in ext/fts5/fts5_tokenize.c in Sqlite. A unicode61 tokenizer configured to treat unicode “control-characters” (class Cc), was treating embedded nul characters as tokens. The issue was fixed in sqlite-3.34.0 and later.
Severity
References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| NVD-CWE-noinfo | Insufficient Information | NIST |
Change History
1 change records found show changes
Initial Analysis 8/29/2022 12:35:32 PM
| Action | Type | Old Value | New Value |
|---|---|---|---|
| Added | CPE Configuration |
OR
*cpe:2.3:a:sqlite:sqlite:*:*:*:*:*:*:*:* versions up to (excluding) 3.34.0
|
|
| Added | CVSS V3.1 |
NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
|
| Added | CWE |
NIST NVD-CWE-noinfo |
|
| Changed | Reference Type |
https://github.com/sqlite/sqlite/commit/d1d43efa4fb0f2098c0e2c5bf2e807c58d5ec05b No Types Assigned |
https://github.com/sqlite/sqlite/commit/d1d43efa4fb0f2098c0e2c5bf2e807c58d5ec05b Patch, Third Party Advisory |
| Changed | Reference Type |
https://sqlite.org/src/info/b7b7bde9b7a03665 No Types Assigned |
https://sqlite.org/src/info/b7b7bde9b7a03665 Issue Tracking, Patch, Vendor Advisory |
| Changed | Reference Type |
https://www.sqlite.org/forum/forumpost/09609d7e22 No Types Assigned |
https://www.sqlite.org/forum/forumpost/09609d7e22 Issue Tracking, Patch, Vendor Advisory |
Quick Info
CVE Dictionary Entry:
CVE-2021-20223
NVD Published Date:
08/25/2022
NVD Last Modified:
08/29/2022
Source:
Red Hat, Inc.