CVE-2022-29718: Github.com/caddyserver/caddy Open Redirect Vulnerability
MODERATECVE-2022-29718 is a MODERATE (CVSS 6.1) open redirect vulnerability (CWE-601: URL Redirection to Untrusted Site ('Open Redirect')) affecting Github.com/caddyserver/caddy libraries in the Go ecosystem. The issue involves open redirect in caddy. Remediation is available by upgrading affected packages to version 2.5.0.
CVE-2022-29718 at a Glance
Security Impact
CVSS: 6.1
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).
How to Fix CVE-2022-29718
To remediate this vulnerability, upgrade all affected Github.com/caddyserver/caddy dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade github.com/caddyserver/caddy to 2.5.0Upgrade github.com/caddyserver/caddy/v2 to 2.5.0Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for github.com/caddyserver/caddyHow to Check if You Are Affected
To determine whether your application is affected by CVE-2022-29718, inspect your project dependencies for Github.com/caddyserver/caddy:
inspect dependencies for github.com/caddyserver/caddyAnalyze the terminal output to locate any version of Github.com/caddyserver/caddy in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.5.0), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-601: URL Redirection to Untrusted Site ('Open Redirect'), where the web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect. In Github.com/caddyserver/caddy, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2022-29718 Affected Github.com/caddyserver/caddy Versions
2 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
github.com/caddyserver/caddy
|
Go |
< 2.5.0
|
2.5.0
|
|
github.com/caddyserver/caddy/v2
|
Go |
< 2.5.0
|
2.5.0
|
References
Frequently Asked Questions
What is CVE-2022-29718?
Which Github.com/caddyserver/caddy versions are affected?
What version fixes CVE-2022-29718?
Is github.com/caddyserver/caddy affected?
Is github.com/caddyserver/caddy/v2 affected?
What is the CVSS score of CVE-2022-29718?
What CWE is associated with CVE-2022-29718?
How can I check Go dependencies for CVE-2022-29718?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-2927-hv3p-f3vp",
"modified" : "2022-06-14T20:01:41Z",
"published" : "2022-06-03T00:00:29Z",
"aliases" : [ "CVE-2022-29718" ],
"summary" : "Open redirect in caddy",
"details" : "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.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/caddyserver/caddy"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "2.5.0"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/caddyserver/caddy/v2"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "2.5.0"
} ]
} ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-29718"
}, {
"type" : "WEB",
"url" : "https://github.com/caddyserver/caddy/pull/4499"
}, {
"type" : "WEB",
"url" : "https://github.com/caddyserver/caddy/pull/4499/commits/b23bdcf99cfbd09d50555a999a16468404789230"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/caddyserver/caddy"
}, {
"type" : "WEB",
"url" : "https://github.com/caddyserver/caddy/releases/tag/v2.5.0"
}, {
"type" : "WEB",
"url" : "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CP2VIUT5IKA3OKM6YWA5LTLJ2GTEIH7C"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-601" ],
"severity" : "MODERATE",
"github_reviewed" : true,
"github_reviewed_at" : "2022-06-03T22:16:20Z",
"nvd_published_at" : "2022-06-02T21:15:00Z"
}
}