Zendframework1 potential SQL injection vector using null byte for PDO (MsSql, SQLite)
The PDO adapters of Zend Framework 1 do not filter null bytes values in SQL statements. A PDO adapter can treat null bytes in a query as a string terminator, allowing an attacker to add arbitrary SQL following a null byte, and thus create a SQL injection.
We tested and verified the null byte injection using pdo_dblib (FreeTDS) on a Linux environment to access a remote Microsoft SQL Server, and also tested against and noted the vector against pdo_sqlite.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | zendframework/zendframework1 | >= 1.12.0, < 1.12.16 | 1.12.16 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-89- Platform
- Composer
- Package
zendframework/zendframework1- Disclosed
- 07.06.2024
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-v42g-7q2x-cw32 - CC BY 4.0
Vulnerability history: zendframework/zendframework1
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 34
- First → latest
- 05.2022 06.2024
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 8
- High 9
- Medium 17
Disclosures per year
- 2022: 13
- 2023: 0
- 2024: 21
- 2025: 0
- 2026: 0
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Zendframework1 potential SQL injection vector using null byte for PDO (MsSql, SQLite) this entry
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