CVE-2018-20505
Publication date 3 April 2019
Last updated 25 August 2025
Ubuntu priority
Description
SQLite 3.25.2, when queries are run on a table with a malformed PRIMARY KEY, allows remote attackers to cause a denial of service (application crash) by leveraging the ability to run arbitrary SQL statements (such as in certain WebSQL use cases).
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| sqlite3 | ||
| 18.04 LTS bionic |
Fixed 3.22.0-1ubuntu0.1
|
|
| 16.04 LTS xenial |
Not affected
|
|
| 14.04 LTS trusty |
Not affected
|
Patch details
| Package | Patch details |
|---|---|
| sqlite3 |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
7.5 · High
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-4019-1
- SQLite vulnerabilities
- 19 June 2019
Other references
- https://sqlite.org/src/info/1a84668dcfdebaf12415d
- http://seclists.org/fulldisclosure/2019/Jan/62
- http://seclists.org/fulldisclosure/2019/Jan/64
- http://seclists.org/fulldisclosure/2019/Jan/66
- http://seclists.org/fulldisclosure/2019/Jan/67
- http://seclists.org/fulldisclosure/2019/Jan/68
- http://seclists.org/fulldisclosure/2019/Jan/69
- https://seclists.org/bugtraq/2019/Jan/28
- https://seclists.org/bugtraq/2019/Jan/29
- https://seclists.org/bugtraq/2019/Jan/31
- https://seclists.org/bugtraq/2019/Jan/32
- https://seclists.org/bugtraq/2019/Jan/33
- https://seclists.org/bugtraq/2019/Jan/39
- https://support.apple.com/kb/HT209443
- https://support.apple.com/kb/HT209446
- https://support.apple.com/kb/HT209447
- https://support.apple.com/kb/HT209448
- https://support.apple.com/kb/HT209450
- https://support.apple.com/kb/HT209451
- https://www.cve.org/CVERecord?id=CVE-2018-20505