FragmentListener in the HttpKernel component in Symfony 2.3.19 through 2.3.28,...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://symfony.com/blog/cve-2015-4050-esi-unauthorized-access
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159610.html
- http://www.debian.org/security/2015/dsa-3276
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159603.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159513.html
- http://www.securityfocus.com/bid/74928
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CVSS Vectors
Weaknesses (CWE)
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MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.