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CVE-2015-4050

CVE-2015-4050

18Vexday Risk Score

Patch soon. It has a working public exploit.

ssvc Attendepss 8.3%
exploitation probability
8.3%top 6% of all CVEs
observed exploitation
nono source reports it
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.
Affected products
n/a · n/a
References
http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159513.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2015-June/159603.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2015-June/159610.htmlhttp://symfony.com/blog/cve-2015-4050-esi-unauthorized-accesshttp://www.debian.org/security/2015/dsa-3276http://www.securityfocus.com/bid/74928