GitHub Advisoryadvisory · Packagist
GHSA-mmcv-fvq8-r9x3 Symfony XML decoding attack vector through external entities
CRITICAL
Official page ↗
- Ecosystem
- Packagist
- Packages
- symfony/symfony
- Severity
- Critical
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-502
- Reviewed
- 2024-05-30
Affected packages
• Packagist symfony/symfony: >= 2.0.0, < 2.0.11 → fixed in 2.0.11
Description
The XMLEncoder component of Symfony 2.0.x fails to disable external entities when parsing XML. In the Symfony2 framework the XML class may be used to deserialize objects or as part of a client/server API. By using external entities it is possible to include arbitrary files from the file system.
Related
Weakness · CWE (1)
- CWE-502 Deserialization of Untrusted Data weakness