GHSA-J5C2-HM46-WP5C
Vulnerability from github – Published: 2021-07-22 19:43 – Updated: 2021-09-03 20:23Impact
An error in the implementation of the limits service in 4.0.0 allows all authenticated users (including contributors) to view admin-level API keys via the integrations API endpoint, leading to a privilege escalation vulnerability.
Ghost(Pro) has already been patched. Self-hosters are impacted if running Ghost a version between 4.0.0 and 4.9.4. Immediate action should be taken to secure your site - see patches & workarounds below.
It is highly recommended to regenerate all API keys after patching or applying the workaround below.
Patches
Fixed in 4.10.0, all 4.x sites should upgrade as soon as possible.
Workarounds
- Disable all non-Administrator accounts to prevent API access.
For more information
If you have any questions or comments about this advisory: * email us at security@ghost.org
Credits: Aden Yap Chuen Zhen, BAE Systems Applied Intelligence (Malaysia)
{
"affected": [
{
"package": {
"ecosystem": "npm",
"name": "ghost"
},
"ranges": [
{
"events": [
{
"introduced": "4.0.0"
},
{
"fixed": "4.10.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2021-39192"
],
"database_specific": {
"cwe_ids": [
"CWE-200",
"CWE-269"
],
"github_reviewed": true,
"github_reviewed_at": "2021-07-20T17:44:30Z",
"nvd_published_at": "2021-09-03T15:15:00Z",
"severity": "MODERATE"
},
"details": "### Impact\nAn error in the implementation of the limits service in 4.0.0 allows all authenticated users (including contributors) to view admin-level API keys via the integrations API endpoint, leading to a privilege escalation vulnerability.\n\nGhost(Pro) has already been patched. Self-hosters are impacted if running Ghost a version between 4.0.0 and 4.9.4. Immediate action should be taken to secure your site - see patches \u0026 workarounds below.\n\nIt is highly recommended to regenerate all API keys after patching or applying the workaround below.\n\n### Patches\nFixed in 4.10.0, all 4.x sites should upgrade as soon as possible.\n\n### Workarounds\n- Disable all non-Administrator accounts to prevent API access.\n\n### For more information\nIf you have any questions or comments about this advisory:\n* email us at security@ghost.org\n\n---\nCredits: Aden Yap Chuen Zhen, BAE Systems Applied Intelligence (Malaysia)",
"id": "GHSA-j5c2-hm46-wp5c",
"modified": "2021-09-03T20:23:05Z",
"published": "2021-07-22T19:43:16Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/TryGhost/Ghost/security/advisories/GHSA-j5c2-hm46-wp5c"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-39192"
},
{
"type": "PACKAGE",
"url": "https://github.com/TryGhost/Ghost"
},
{
"type": "WEB",
"url": "https://github.com/TryGhost/Ghost/releases/tag/v4.10.0"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
}
],
"summary": "Privilege escalation: all users can access Admin-level API keys"
}
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.