GHSA-9r5x-fjv3-q6h4: Duplicate Advisory Incorrect Access Control Vulnerability
HIGHGHSA-9r5x-fjv3-q6h4 is a HIGH (CVSS 7.5) incorrect access control vulnerability (CWE-284: Improper Access Control) affecting Duplicate Advisory libraries in the Go ecosystem. The issue involves incorrect access control in github.com/nats-io/jwt and github.com/nats-io/nats-server/v2. Remediation is available by upgrading affected packages to version 2.0.1, 2.2.0, 1.2.3-0.20210314221642-a826c77dc9d2.
GHSA-9r5x-fjv3-q6h4 at a Glance
Security Impact
CVSS: 7.5
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:H/I:N/A:N).
How to Fix GHSA-9r5x-fjv3-q6h4
To remediate this vulnerability, upgrade all affected Duplicate Advisory 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/nats-io/jwt/v2 to 2.0.1Upgrade github.com/nats-io/nats-server/v2 to 2.2.0Upgrade github.com/nats-io/jwt to 1.2.3-0.20210314221642-a826c77dc9d2Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for github.com/nats-io/jwt/v2How to Check if You Are Affected
To determine whether your application is affected by GHSA-9r5x-fjv3-q6h4, inspect your project dependencies for Duplicate Advisory:
inspect dependencies for github.com/nats-io/jwt/v2Analyze the terminal output to locate any version of Duplicate Advisory in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.0.1), 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-284: Improper Access Control, where the product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. In Duplicate Advisory, 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
GHSA-9r5x-fjv3-q6h4 Affected Duplicate Advisory Versions
3 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
github.com/nats-io/jwt/v2
|
Go |
< 2.0.1
|
2.0.1
|
|
github.com/nats-io/nats-server/v2
|
Go |
< 2.2.0
|
2.2.0
|
|
github.com/nats-io/jwt
|
Go |
< 1.2.3-0.20210314221642-a826c77dc9d2
|
1.2.3-0.20210314221642-a826c77dc9d2
|
References
Frequently Asked Questions
What is GHSA-9r5x-fjv3-q6h4?
Which Duplicate Advisory versions are affected?
What version fixes GHSA-9r5x-fjv3-q6h4?
Is github.com/nats-io/jwt/v2 affected?
Is github.com/nats-io/nats-server/v2 affected?
What is the CVSS score of GHSA-9r5x-fjv3-q6h4?
What CWE is associated with GHSA-9r5x-fjv3-q6h4?
How can I check Go dependencies for GHSA-9r5x-fjv3-q6h4?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-9r5x-fjv3-q6h4",
"modified" : "2024-05-21T14:35:21Z",
"published" : "2022-02-15T01:57:18Z",
"withdrawn" : "2024-05-21T14:35:21Z",
"aliases" : [ ],
"summary" : "Duplicate Advisory: Incorrect Access Control in github.com/nats-io/jwt and github.com/nats-io/nats-server/v2",
"details" : "## Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-62mh-w5cv-p88c (for github.com/nats-io/jwt) and GHSA-j756-f273-xhp4 (for github.com/nats-io/nats-server). This link is maintained to preserve external references.\n\n## Original Description\nNATS Server (github.com/nats-io/nats-server/v2/server) 2.x before 2.2.0 and JWT library (github.com/nats-io/jwt/v2) before 2.0.1 have Incorrect Access Control because Import Token bindings are mishandled.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/nats-io/jwt/v2"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "2.0.1"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/nats-io/nats-server/v2"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "2.2.0"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/nats-io/jwt"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "1.2.3-0.20210314221642-a826c77dc9d2"
} ]
} ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-3127"
}, {
"type" : "WEB",
"url" : "https://github.com/nats-io/jwt/pull/149"
}, {
"type" : "WEB",
"url" : "https://github.com/nats-io/jwt/pull/149/commits/a826c77dc9d2671c961b75ceefdb439c41029866"
}, {
"type" : "WEB",
"url" : "https://github.com/nats-io/nats-server/commit/423b79440c80c863de9f4e20548504e6c5d5e403"
}, {
"type" : "WEB",
"url" : "https://advisories.nats.io/CVE/CVE-2021-3127.txt"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/nats-io/jwt"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-284", "CWE-863" ],
"severity" : "HIGH",
"github_reviewed" : true,
"github_reviewed_at" : "2021-05-12T20:34:10Z",
"nvd_published_at" : "2021-03-16T20:15:00Z"
}
}