8000 Symfony Incorrect Access Control · CVE-2015-4050 · GitHub Advisory Database · GitHub
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Symfony Incorrect Access Control

Moderate severity GitHub Reviewed Published May 17, 2022 to the GitHub Advisory Database • Updated Feb 8, 2024

Package

composer symfony/http-kernel (Composer)

Affected versions

>= 2.3.19, < 2.3.29
>= 2.5.4, < 2.5.12
>= 2.6.0, < 2.6.8
>= 2.4.9, <= 2.4.10

Patched versions

2.3.29
2.5.12
2.6.8
composer symfony/symfony (Composer)
>= 2.3.19, < 2.3.29
>= 2.4.9, <= 2.4.10
>= 2.5.4, < 2.5.12
>= 2.6.0, < 2.6.8
2.3.29
2.5.12
2.6.8

Description

FragmentListener in the HttpKernel component in Symfony 2.3.19 through 2.3.28, 2.4.9 through 2.4.10, 2.5.4 through 2.5.11, and 2.6.0 through 2.6.7, when ESI or SSI support enabled, does not check if the _controller attribute is set, which allows remote attackers to bypass URL signing and security rules by including (1) no hash or (2) an invalid hash in a request to /_fragment.

This issue has been fixed in Symfony 2.3.29, 2.5.12, and 2.6.8. Note that no fixes are provided for Symfony 2.4 as it's not maintained anymore.

References

Published by the National Vulnerability Database Jun 2, 2015
Published to the GitHub Advisory Database May 17, 2022
Reviewed Aug 3, 2023
Last updated Feb 8, 2024

Severity

Moderate

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(99th percentile)

Weaknesses

Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Learn more on MITRE.

CVE ID

CVE-2015-4050

GHSA ID

GHSA-qmqw-mpqp-mr54

Source code

No known source code
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