Vulnerability: Bypassing URL Signing and Security Rules in Symfony HttpKernel Component

Vulnerability: Bypassing URL Signing and Security Rules in Symfony HttpKernel Component

CVE-2015-4050 · MEDIUM Severity

AV:N/AC:M/AU:N/C:N/I:P/A:N

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.

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