cve-2021-3449
mkcert
cve-2021-3449 | mkcert | |
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4 | 132 | |
226 | 45,988 | |
- | - | |
0.0 | 2.7 | |
over 2 years ago | about 1 month ago | |
Go | Go | |
- | BSD 3-clause "New" or "Revised" License |
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cve-2021-3449
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CVE 2021 3449 exploit method
I am trying to understand how to use the information in https://github.com/terorie/cve-2021-3449 to check in my server which has UI and supports TLS 1.2. It does not support renegotiation though but I still wanted to check with exploit to verify whether or not, it is impacted. The link mentions “go run . -host host:port” but I am not able to figure out how to use it as there seem no script to run. Any help would be appreciated.
- CVE-2021-3499 OpenSSL denial-of-service PoC
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Do these vulns affect Fortigate devices? CVE-2021-3449 - CVE-2021-3450
FortiOS(web gui/sslvpn) is "vulnerable" to CVE-2021-3449, tested using POC https://github.com/terorie/cve-2021-3449 Impact is basically limited to filling up your crashlog, but if you have fortigates your used to that :)
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OpenSSL Security Advisory [25 March 2021]
Does anyone have a PoC? Someone posted this on Github but the git log is squashed and doesn't show the changes they made. https://github.com/terorie/cve-2021-3449
mkcert
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HTTPS on Localhost with Next.js
The experimental HTTPS flag relies on mkcert, designed for a single development system. If you run a Docker container, the flag won’t configure your local browser to trust its certificate.
- Mkcert: Simple zero-config tool to make locally trusted development certificates
- Mkcert: Simple tool to make locally trusted dev certificates names you'd like
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You Can't Follow Me
The author mentions difficulties with HTTPS and trying stuff locally.
I've had some success with mkcert [1] to easily create certificates trusted by browsers, I can suggest to look into this. You are your own root CA, I think it can work without an internet connection.
[1] https://github.com/FiloSottile/mkcert/
- SSL Certificates for Home Network
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Simplifying Localhost HTTPS Setup with mkcert and stunnel
Solution: mkcert – Your Zero-Configuration HTTPS Enabler Meet mkcert, a user-friendly, zero-configuration tool designed for creating locally-trusted development certificates. Find it on its GitHub page and follow the instructions tailored for your operating system. For Mac users employing Homebrew, simply execute the following commands in your terminal:
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10 reasons you should quit your HTTP client
Well, Certifi does not ship with your company's certificates! So requesting internal services may come with additional painful extra steps! Also for a local development environment that uses mkcert for example!
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Show HN: Anchor – developer-friendly private CAs for internal TLS
My project, getlocalcert.net[1] may be the one you're thinking of.
Since I'm also building in this space, I'll give my perspective. Local certificate generation is complicated. If you spend the time, you can figure it out, but it's begging for a simpler solution. You can use tools like mkcert[2] for anything that's local to your machine. However, if you're already using ACME in production, maybe you'd prefer to use ACME locally? I think that's what Anchor offers, a unified approach.
There's a couple references in the Anchor blog about solving the distribution problem by building better tooling[3]. I'm eager to learn more, that's a tough nut to crack. My theory for getlocalcert is that the distribution problem is too difficult (for me) to solve, so I layer the tool on top of Let's Encrypt certificates instead. The end result for both tools is a trusted TLS certificate issued via ACME automation.
1. https://news.ycombinator.com/item?id=36674224
2. https://github.com/FiloSottile/mkcert
3. https://blog.anchor.dev/the-acme-gap-introducing-anchor-part...
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Running one’s own root Certificate Authority in 2023
Looks like step-ca/step-cli [1] and mkcert [2] have been mentioned. Another related tool is XCA [3] - a gui tool to manage CAs and server/client TLS certificates. It takes off some of the tedium in using openssl cli directly. It also stores the certs and keys in an encrypted database. It doesn't solve the problem of getting the root CA certificate into the system store or of hosting the revocation list. I use XCA to create and store the root CA. Intermediate CAs signed with it are passed to other issuers like vault and step-issuer.
[1] https://smallstep.com/docs/step-ca/
[2] https://github.com/FiloSottile/mkcert
[3] https://hohnstaedt.de/xca/
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Show HN: Local development with .local domains and HTTPS
We use mkcert for this, it works wonderfully.
https://github.com/FiloSottile/mkcert