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@caddyserver Tweets

RT @fideloper: Been discovering lately that caddy’s module system is pretty rad example:
Sun Oct 02 00:12:16 +0000 2022

A module for serving static files from S3, utilizing new features in Caddy 2.6: https://t.co/cXxlTHWpxn
Sat Oct 01 18:51:14 +0000 2022

RT @divyenduz: how can on-demand https for subdomains/user supplied custom domains be <50 lines of code? @caddyserver is unbelievably goo…
Fri Sep 30 23:03:04 +0000 2022

RT @mholt6: Small world: "Fancy seeing you here @fideloper, I learned a lot from your Docker content some years ago, which was right at the…
Fri Sep 30 16:54:24 +0000 2022

By the Year

In 2022 there have been 2 vulnerabilities in Caddy Server Caddy Web Server with an average score of 6.8 out of ten. Caddy Web Server did not have any published security vulnerabilities last year. That is, 2 more vulnerabilities have already been reported in 2022 as compared to last year.

Year Vulnerabilities Average Score
2022 2 6.80
2021 0 0.00
2020 1 9.80
2019 0 0.00
2018 1 3.70

It may take a day or so for new Caddy Web Server vulnerabilities to show up in the stats or in the list of recent security vulnerabilties. Additionally vulnerabilities may be tagged under a different product or component name.

Recent Caddy Server Caddy Web Server Security Vulnerabilities

An out-of-bounds read in the rewrite function at /modules/caddyhttp/rewrite/rewrite.go in Caddy v2.5.1

CVE-2022-34037 7.5 - High - July 22, 2022

An out-of-bounds read in the rewrite function at /modules/caddyhttp/rewrite/rewrite.go in Caddy v2.5.1 allows attackers to cause a Denial of Service (DoS) via a crafted URI.

Out-of-bounds Read

Caddy v2.4 was discovered to contain an open redirect vulnerability

CVE-2022-29718 6.1 - Medium - June 02, 2022

Caddy v2.4 was discovered to contain an open redirect vulnerability. A remote unauthenticated attacker may exploit this vulnerability to redirect users to arbitrary web URLs by tricking the victim users to click on crafted links.

Open Redirect

Caddy before 0.10.13 mishandles TLS client authentication

CVE-2018-21246 9.8 - Critical - June 15, 2020

Caddy before 0.10.13 mishandles TLS client authentication, as demonstrated by an authentication bypass caused by the lack of the StrictHostMatching mode.

authentification

Caddy through 0.11.0 sends incorrect certificates for certain invalid requests, making it easier for attackers to enumerate hostnames

CVE-2018-19148 3.7 - Low - November 10, 2018

Caddy through 0.11.0 sends incorrect certificates for certain invalid requests, making it easier for attackers to enumerate hostnames. Specifically, when unable to match a Host header with a vhost in its configuration, it serves the X.509 certificate for a randomly selected vhost in its configuration. Repeated requests (with a nonexistent hostname in the Host header) permit full enumeration of all certificates on the server. This generally permits an attacker to easily and accurately discover the existence of and relationships among hostnames that weren't meant to be public, though this information could likely have been discovered via other methods with additional effort.

Information Disclosure

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