CVE-2020-14359: Github.com/keycloak/keycloak gatekeeper Keycloak Gatekeeper Vulnerable To Bypass Vulnerability
HIGHCVE-2020-14359 is a HIGH (CVSS 7.3) keycloak gatekeeper vulnerable to bypass vulnerability (CWE-305: Authentication Bypass by Primary Weakness) affecting Github.com/keycloak/keycloak gatekeeper libraries in the Go ecosystem. The issue involves keycloak gatekeeper vulnerable to bypass on using lower case http headers. Remediation is available in the latest vendor maintenance releases.
CVE-2020-14359 at a Glance
Security Impact
CVSS: 7.3
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:N/S:U/C:L/I:L/A:L).
How to Fix CVE-2020-14359
To remediate this vulnerability, upgrade all affected Github.com/keycloak/keycloak gatekeeper 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/keycloak/keycloak-gatekeeper to Latest secure releaseRun the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for github.com/keycloak/keycloak-gatekeeperHow to Check if You Are Affected
To determine whether your application is affected by CVE-2020-14359, inspect your project dependencies for Github.com/keycloak/keycloak gatekeeper:
inspect dependencies for github.com/keycloak/keycloak-gatekeeperAnalyze the terminal output to locate any version of Github.com/keycloak/keycloak gatekeeper in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), 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-305: Authentication Bypass by Primary Weakness, where the authentication algorithm is sound, but the implemented mechanism can be bypassed as the result of a separate weakness that is primary to the authentication error. In Github.com/keycloak/keycloak gatekeeper, 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-2020-14359 Affected Github.com/keycloak/keycloak gatekeeper Versions
1 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
github.com/keycloak/keycloak-gatekeeper
|
Go |
≤ 1.2.8
|
|
References
Frequently Asked Questions
What is CVE-2020-14359?
Which Github.com/keycloak/keycloak gatekeeper versions are affected?
What version fixes CVE-2020-14359?
Is github.com/keycloak/keycloak-gatekeeper affected?
What is the CVSS score of CVE-2020-14359?
What CWE is associated with CVE-2020-14359?
How can I check Go dependencies for CVE-2020-14359?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-jh6m-3pqw-242h",
"modified" : "2022-08-12T20:52:13Z",
"published" : "2022-02-09T00:56:04Z",
"aliases" : [ "CVE-2020-14359" ],
"summary" : "Keycloak Gatekeeper vulnerable to bypass on using lower case HTTP headers",
"details" : "A vulnerability was found in all versions of the deprecated package Keycloak Gatekeeper, where on using lower case HTTP headers (via cURL) we can bypass our Gatekeeper. Lower case headers are also accepted by some webservers (e.g. Jetty). This means there is no protection when we put a Gatekeeper in front of a Jetty server and use lowercase headers.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/keycloak/keycloak-gatekeeper"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"last_affected" : "1.2.8"
} ]
} ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-14359"
}, {
"type" : "WEB",
"url" : "https://github.com/keycloak/keycloak/issues/12934"
}, {
"type" : "WEB",
"url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1868591"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/keycloak/keycloak-gatekeeper"
}, {
"type" : "WEB",
"url" : "https://issues.jboss.org/browse/KEYCLOAK-14090"
}, {
"type" : "WEB",
"url" : "https://web.archive.org/web/20190613000352/github.com/keycloak/keycloak-gatekeeper"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-305" ],
"severity" : "HIGH",
"github_reviewed" : true,
"github_reviewed_at" : "2021-04-01T16:13:00Z",
"nvd_published_at" : "2021-02-23T13:15:00Z"
}
}