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CVE-2024-50340

HIGH
Published 2024-11-06T21:09:46.750Z
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CVSS Score

V3.1
7.3
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.855
probability
of exploitation in the wild

There is a 85.5% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.993
Higher than 99.3% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
LOW
Integrity
LOW
Availability
LOW

Description

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` , 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. As of versions 5.4.46, 6.4.14, and 7.1.7 the `SymfonyRuntime` now ignores the `argv` values for non-SAPI PHP runtimes. All users are advised to upgrade. There are no known workarounds for this vulnerability.

Available Exploits

Symfony Profiler - Remote Access via Injected Arguments

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` , 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. As of versions 5.4.46, 6.4.14, and 7.1.7 the `SymfonyRuntime` now ignores the `argv` values for non-SAPI PHP runtimes.

ID: CVE-2024-50340
Author: DhiyaneshDK High

References:

Related News

No news articles found for this CVE.

Affected Products

symfony

symfony

Affected Versions:

< 5.4.46 >= 6.0.0, < 6.4.14 >= 7.0.0, < 7.1.7
sensiolabs

symfony

Affected Versions:

0 6.0.0 7.0.0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

Symfony allows changing the environment through a query

GHSA-x8vp-gf4q-mw5j

Advisory Details

### 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.

Affected Packages

Packagist symfony/runtime
ECOSYSTEM: ≥5.3.0 <5.4.46
Packagist symfony/runtime
ECOSYSTEM: ≥6.0.0 <6.4.14
Packagist symfony/runtime
ECOSYSTEM: ≥7.0.0 <7.1.7
Packagist symfony/symfony
ECOSYSTEM: ≥5.3.0 <5.4.46
Packagist symfony/symfony
ECOSYSTEM: ≥6.0.0 <6.4.14
Packagist symfony/symfony
ECOSYSTEM: ≥7.0.0 <7.1.7

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References

WEB https://github.com/symfony/symfony/security/advisories/GHSA-x8vp-gf4q-mw5j
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2024-50340
WEB https://github.com/symfony/symfony/commit/a77b308c3f179ed7c8a8bc295f82b2d6ee3493fa
WEB https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/runtime/CVE-2024-50340.yaml
WEB https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2024-50340.yaml
PACKAGE https://github.com/symfony/symfony
WEB https://symfony.com/cve-2024-50340

Advisory provided by GitHub Security Advisory Database. Published: November 6, 2024, Modified: November 6, 2024

References

https://github.com/symfony/symfony/security/advisories/GHSA-x8vp-gf4q-mw5j
https://github.com/symfony/symfony/commit/a77b308c3f179ed7c8a8bc295f82b2d6ee3493fa
Published: 2024-11-06T21:09:46.750Z
Last Modified: 2024-11-07T15:29:50.292Z
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