GHSA-H355-HM5H-CM8H
Vulnerability from github – Published: 2024-09-26 18:07 – Updated: 2024-09-26 21:11CWE-35: Path Traversal
https://cwe.mitre.org/data/definitions/35.html
CVSSv3.1 4.3 - Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Summary
A vulnerability has been discovered in Agnai that permits attackers to read arbitrary JSON files at attacker-chosen locations on the server. This issue can lead to unauthorized access to sensitive information and exposure of confidential configuration files.
This only affects installations with JSON_STORAGE enabled which is intended to local/self-hosting only.
Details & PoC
This is a path traversal vulnerability. An attacker can exploit this vulnerability by sending a specially crafted request:
GET /api/json/messages/%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%61%70%70%2fpackage HTTP/1.1
In this example, the attacker retrieves the package.json file content from the server by manipulating the file path.
The request is processed by the loadMessages handler in agnai/srv/api/json/index.ts and a file is read and returned to the client. The read filename is constructed using string interpolation, with no guard or check for path traversal: https://github.com/agnaistic/agnai/blob/2b878b7ca66471c5dd080197ad9ca2f7f0022655/srv/api/json/index.ts#L77
Constraints
Environment constraints: JSON Storage enabled (non standard)
Impact
This vulnerability is classified as a path traversal vulnerability. Specifically, any JSON file on the server which the webserver process has read privileges for, can be disclosed to the attacker.
Credit
- @ropwareJB
- @noe233
{
"affected": [
{
"package": {
"ecosystem": "npm",
"name": "agnai"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0.330"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2024-47170"
],
"database_specific": {
"cwe_ids": [
"CWE-22",
"CWE-35"
],
"github_reviewed": true,
"github_reviewed_at": "2024-09-26T18:07:52Z",
"nvd_published_at": "2024-09-26T18:15:10Z",
"severity": "LOW"
},
"details": "### CWE-35: Path Traversal\n\nhttps://cwe.mitre.org/data/definitions/35.html\n\n### CVSSv3.1 4.3 - Medium\nCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N\nCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N\n\n### Summary\n\nA vulnerability has been discovered in **Agnai** that permits attackers to read arbitrary JSON files at attacker-chosen locations on the server. This issue can lead to unauthorized access to sensitive information and exposure of confidential configuration files.\n**This only affects installations with `JSON_STORAGE` enabled which is intended to local/self-hosting only.**\n\n### Details \u0026 PoC\n\nThis is a path traversal vulnerability. An attacker can exploit this vulnerability by sending a specially crafted request:\n\n```tsx\nGET /api/json/messages/%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%61%70%70%2fpackage HTTP/1.1\n```\n\nIn this example, the attacker retrieves the `package.json` file content from the server by manipulating the file path.\n\nThe request is processed by the `loadMessages` handler in `agnai/srv/api/json/index.ts` and a file is read and returned to the client. The read filename is constructed using string interpolation, with no guard or check for path traversal: https://github.com/agnaistic/agnai/blob/2b878b7ca66471c5dd080197ad9ca2f7f0022655/srv/api/json/index.ts#L77\n\n#### Constraints\n\nEnvironment constraints: JSON Storage enabled (non standard)\n\n### Impact\n\nThis vulnerability is classified as a path traversal vulnerability. Specifically, any JSON file on the server which the webserver process has read privileges for, can be disclosed to the attacker.\n\n### Credit\n- @ropwareJB\n- @noe233",
"id": "GHSA-h355-hm5h-cm8h",
"modified": "2024-09-26T21:11:05Z",
"published": "2024-09-26T18:07:52Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/agnaistic/agnai/security/advisories/GHSA-h355-hm5h-cm8h"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-47170"
},
{
"type": "PACKAGE",
"url": "https://github.com/agnaistic/agnai"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Agnai File Disclosure Vulnerability: JSON via Path Traversal "
}
Sightings
| Author | Source | Type | Date | Other |
|---|
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.
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