GHSA-76cc-p55w-63g3: Withdrawn Advisory Teleport Access List Owners Can Vulnerability

CRITICAL
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Advisory Summary

GHSA-76cc-p55w-63g3 is a CRITICAL teleport access list owners can vulnerability (General Security Weakness) affecting Withdrawn Advisory libraries in the Go ecosystem. The issue involves teleport access list owners can escalate their privileges. Remediation is available by upgrading affected packages to version 14.2.4, 13.4.13.

GHSA-76cc-p55w-63g3 at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-76cc-p55w-63g3
Severity CRITICAL
CVSS v3.1 Base Score N/A
CWE Classification General Security Weakness
Affected Product Withdrawn Advisory
Package Ecosystem Go
Published Date
Last Updated

How to Fix GHSA-76cc-p55w-63g3

To remediate this vulnerability, upgrade all affected Withdrawn Advisory dependencies to a patched release.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.

github.com/gravitational/teleport fixed: 14.2.4 
Upgrade github.com/gravitational/teleport to 14.2.4
github.com/gravitational/teleport fixed: 13.4.13 
Upgrade github.com/gravitational/teleport to 13.4.13
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for github.com/gravitational/teleport

How to Check if You Are Affected

To determine whether your application is affected by GHSA-76cc-p55w-63g3, inspect your project dependencies for Withdrawn Advisory:

inspect dependencies for github.com/gravitational/teleport

Analyze the terminal output to locate any version of Withdrawn Advisory in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 14.2.4), 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 General Security Weakness. In Withdrawn Advisory, software state validation or input boundaries are circumvented during processing.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

## Withdrawn Advisory This advisory has been withdrawn because the vulnerability affects a binary, not a library in a [supported ecosystem](https://github.com/github/advisory-database#supported-ecosystems). Therefore, users of the library should not receive alerts. This link is maintained to preserve external references. ## Original Description ### Impact Access Lists are a new feature introduced in Teleport 14 and currently under preview. An issue was discovered that allows an Access List Owner to assign arbitrary permissions, including permissions to themselves which could result in privilege escalation. ### Patches Fixed in version 14.2.4 and 13.4.13

GHSA-76cc-p55w-63g3 Affected Withdrawn Advisory Versions

2 component(s)
Fixed Versions:
14.2.413.4.13
Product / Package Ecosystem Affected Versions Fixed Version
github.com/gravitational/teleport
golang/github.com/gravitational/teleport
Go
≥ 14.0.0
< 14.2.4
14.2.4
github.com/gravitational/teleport
golang/github.com/gravitational/teleport
Go
≥ 13.0.0
< 13.4.13
13.4.13

References

GitHub Advisory / Wiki ADVISORY
https://github.com/gravitational/teleport/security/advisories/GHSA-76cc-p55w-63g3
Withdrawn Advisory Source Repository REPOSITORY
https://github.com/gravitational/teleport

Frequently Asked Questions

What is GHSA-76cc-p55w-63g3?
GHSA-76cc-p55w-63g3 is a security vulnerability in Withdrawn Advisory involving Teleport Access List owners can escalate their privileges under General Security Weakness.
Which Withdrawn Advisory versions are affected?
Affected versions include releases prior to 14.2.4, 13.4.13 across affected packages: github.com/gravitational/teleport.
What version fixes GHSA-76cc-p55w-63g3?
Upgrading to 14.2.4, 13.4.13 (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/gravitational/teleport affected?
Yes, github.com/gravitational/teleport is affected in releases prior to 14.2.4, 13.4.13. Upgrade your dependency to 14.2.4, 13.4.13 or later.
What CWE is associated with GHSA-76cc-p55w-63g3?
GHSA-76cc-p55w-63g3 is classified under General Security Weakness.
How can I check Go dependencies for GHSA-76cc-p55w-63g3?
Run the dependency tree command: 'inspect dependencies for github.com/gravitational/teleport'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-76cc-p55w-63g3",
  "modified" : "2024-09-06T21:40:26Z",
  "published" : "2024-01-03T21:29:09Z",
  "withdrawn" : "2024-01-23T12:50:23Z",
  "aliases" : [ ],
  "summary" : "Withdrawn Advisory: Teleport Access List owners can escalate their privileges",
  "details" : "## Withdrawn Advisory\nThis advisory has been withdrawn because the vulnerability affects a binary, not a library in a [supported ecosystem](https://github.com/github/advisory-database#supported-ecosystems). Therefore, users of the library should not receive alerts. This link is maintained to preserve external references.\n\n## Original Description\n\n### Impact\nAccess Lists are a new feature introduced in Teleport 14 and currently under preview. An issue was discovered that allows an Access List Owner to assign arbitrary permissions, including permissions to themselves which could result in privilege escalation.\n\n### Patches\nFixed in version 14.2.4 and 13.4.13",
  "severity" : [ ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/gravitational/teleport"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "14.0.0"
      }, {
        "fixed" : "14.2.4"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/gravitational/teleport"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "13.0.0"
      }, {
        "fixed" : "13.4.13"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/gravitational/teleport/security/advisories/GHSA-76cc-p55w-63g3"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/gravitational/teleport"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-01-03T21:29:09Z",
    "nvd_published_at" : null
  }
}