# CVE-2018-20506: iTunes: SQLite before 3.25.3, when the FTS3 extension is enabled, encounters an integer overflow (and resultant…

CVE-2018-20506 is fixed in 5 products on 2 platforms, first by lemon 3.22.0-1ubuntu0.1, released May 30, 2019. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2018-20506
- Priority: High
- CVSS: 8.1 (Medium)
- EPSS: 0.0750
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 2, 2019
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2018-20506

## Description

SQLite before 3.25.3, when the FTS3 extension is enabled, encounters an integer overflow (and resultant buffer overflow) for FTS3 queries in a "merge" operation that occurs after crafted changes to FTS3 shadow tables, allowing remote attackers to execute arbitrary code by leveraging the ability to run arbitrary SQL statements (such as in certain WebSQL use cases). This is a different vulnerability than CVE-2018-20346.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | iTunes | 12.11.4.15 | [iTunes 12.11.4.15](https://patchblox.com/security/data/fix/windows-app/apple.itunes-12.11.4.15.md) | Aug 4, 2021 |
| Linux | lemon Ubuntu 18.04.6 LTS (bionic) | 3.22.0-1ubuntu0.1 | [lemon 3.22.0-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-lemon-3.22.0-1ubuntu0.1.md) | May 30, 2019 |
| Linux | libsqlite3-0 Ubuntu 18.04.6 LTS (bionic) | 3.22.0-1ubuntu0.1 | [libsqlite3-0 3.22.0-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libsqlite3-0-3.22.0-1ubuntu0.1.md) | May 30, 2019 |
| Linux | libsqlite3-tcl Ubuntu 18.04.6 LTS (bionic) | 3.22.0-1ubuntu0.1 | [libsqlite3-tcl 3.22.0-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libsqlite3-tcl-3.22.0-1ubuntu0.1.md) | May 30, 2019 |
| Linux | sqlite3 Ubuntu 18.04.6 LTS (bionic) | 3.22.0-1ubuntu0.1 | [sqlite3 3.22.0-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-sqlite3-3.22.0-1ubuntu0.1.md) | May 30, 2019 |

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