Symfony allows changing the environment through a query
### Description When the `register_argc_argv` php directive is set to `on` , and users call any URL with a special crafted query string, they are able to change the environment or debug mode used by the kernel when handling the request. ### Resolution The `SymfonyRuntime` now ignores the `argv` values for non-cli SAPIs PHP runtimes The patch for this issue is available [here](https://github.com/symfony/symfony/commit/a77b308c3f179ed7c8a8bc295f82b2d6ee3493fa) for branch 5.4. ### Credits We would like to thank Vladimir Dusheyko for reporting the issue and Wouter de Jong for providing the fix.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2024-50340US | — | Exploit | ||
symfony/runtime is a module for the Symphony PHP framework which enables decoupling PHP applications from global state. When the `register_argv_argc` php directive is set to `on` ,… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/runtime/CVE-2024-50340.yamlWEB
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2024-50340.yamlWEB
- https://github.com/symfony/symfonyPACKAGE
- https://github.com/symfony/symfony/commit/a77b308c3f179ed7c8a8bc295f82b2d6ee3493faWEB
- https://github.com/symfony/symfony/security/advisories/GHSA-x8vp-gf4q-mw5jWEB
- https://nvd.nist.gov/vuln/detail/CVE-2024-50340ADVISORY
- https://symfony.com/cve-2024-50340WEB
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