CVE-2022-36633: Github.com/gravitational/teleport Improper Token Validation Leading To Vulnerability
HIGHCVE-2022-36633 is a HIGH (CVSS 8.8) improper token validation leading to vulnerability (CWE-20: Improper Input Validation) affecting Github.com/gravitational/teleport libraries in the Go ecosystem. The issue involves improper token validation leading to code execution in teleport. Remediation is available by upgrading affected packages to version 8.3.17, 9.3.13, 10.1.2.
CVE-2022-36633 at a Glance
Security Impact
CVSS: 8.8
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:U/C:H/I:H/A:H).
How to Fix CVE-2022-36633
To remediate this vulnerability, upgrade all affected Github.com/gravitational/teleport 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/gravitational/teleport to 8.3.17Upgrade github.com/gravitational/teleport to 9.3.13Upgrade github.com/gravitational/teleport to 10.1.2Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for github.com/gravitational/teleportHow to Check if You Are Affected
To determine whether your application is affected by CVE-2022-36633, inspect your project dependencies for Github.com/gravitational/teleport:
inspect dependencies for github.com/gravitational/teleportAnalyze the terminal output to locate any version of Github.com/gravitational/teleport in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 8.3.17), 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-20: Improper Input Validation, where the product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. In Github.com/gravitational/teleport, 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-2022-36633 Affected Github.com/gravitational/teleport Versions
3 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
github.com/gravitational/teleport
|
Go |
< 8.3.17
|
8.3.17
|
|
github.com/gravitational/teleport
|
Go |
≥ 9.0.0
< 9.3.13
|
9.3.13
|
|
github.com/gravitational/teleport
|
Go |
≥ 10.0.0
< 10.1.2
|
10.1.2
|
References
Frequently Asked Questions
What is CVE-2022-36633?
Which Github.com/gravitational/teleport versions are affected?
What version fixes CVE-2022-36633?
Is github.com/gravitational/teleport affected?
What is the CVSS score of CVE-2022-36633?
What CWE is associated with CVE-2022-36633?
How can I check Go dependencies for CVE-2022-36633?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-6xf3-5hp7-xqqg",
"modified" : "2022-09-27T08:28:17Z",
"published" : "2022-08-25T00:00:28Z",
"aliases" : [ "CVE-2022-36633" ],
"summary" : "Improper token validation leading to code execution in Teleport",
"details" : "Teleport 9.3.6 is vulnerable to Command injection leading to Remote Code Execution. An attacker can craft a malicious ssh agent installation link by URL encoding a bash escape with carriage return line feed. This url encoded payload can be used in place of a token and sent to a user in a social engineering attack. This is fully unauthenticated attack utilizing the trusted teleport server to deliver the payload.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/gravitational/teleport"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "8.3.17"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/gravitational/teleport"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "9.0.0"
}, {
"fixed" : "9.3.13"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/gravitational/teleport"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "10.0.0"
}, {
"fixed" : "10.1.2"
} ]
} ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-36633"
}, {
"type" : "WEB",
"url" : "https://github.com/gravitational/teleport/pull/14726"
}, {
"type" : "WEB",
"url" : "https://github.com/gravitational/teleport/pull/14726/commits/46c23b9b64b944d1e82d2c8a79083f291ffdd3b6"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/gravitational/teleport"
}, {
"type" : "WEB",
"url" : "https://github.com/gravitational/teleport/releases/tag/v10.1.2"
}, {
"type" : "WEB",
"url" : "https://github.com/gravitational/teleport/releases/tag/v8.3.17"
}, {
"type" : "WEB",
"url" : "https://github.com/gravitational/teleport/releases/tag/v9.3.13"
}, {
"type" : "WEB",
"url" : "https://packetstormsecurity.com/files/168137/Teleport-9.3.6-Command-Injection.html"
}, {
"type" : "WEB",
"url" : "http://packetstormsecurity.com/files/168477/Teleport-10.1.1-Remote-Code-Execution.html"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-20", "CWE-77" ],
"severity" : "HIGH",
"github_reviewed" : true,
"github_reviewed_at" : "2022-08-30T20:53:54Z",
"nvd_published_at" : "2022-08-24T13:15:00Z"
}
}