CVE-2024-42367
Aiohttp Path Traversal Vulnerability
Description
aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.10.2, static routes which contain files with compressed variants (`.gz` or `.br` extension) are vulnerable to path traversal outside the root directory if those variants are symbolic links. The server protects static routes from path traversal outside the root directory when `follow_symlinks=False` (default). It does this by resolving the requested URL to an absolute path and then checking that path relative to the root. However, these checks are not performed when looking for compressed variants in the `FileResponse` class, and symbolic links are then automatically followed when performing the `Path.stat()` and `Path.open()` to send the file. Version 3.10.2 contains a patch for the issue.
INFO
Published Date :
Aug. 12, 2024, 1:38 p.m.
Last Modified :
Aug. 12, 2024, 1:41 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.5
Exploitability Score :
2.2
References to Advisories, Solutions, and Tools
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CVE-2024-42367.
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CVE Received by [email protected]
Aug. 12, 2024
Action Type Old Value New Value Added Description aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.10.2, static routes which contain files with compressed variants (`.gz` or `.br` extension) are vulnerable to path traversal outside the root directory if those variants are symbolic links. The server protects static routes from path traversal outside the root directory when `follow_symlinks=False` (default). It does this by resolving the requested URL to an absolute path and then checking that path relative to the root. However, these checks are not performed when looking for compressed variants in the `FileResponse` class, and symbolic links are then automatically followed when performing the `Path.stat()` and `Path.open()` to send the file. Version 3.10.2 contains a patch for the issue. Added Reference GitHub, Inc. https://github.com/aio-libs/aiohttp/security/advisories/GHSA-jwhx-xcg6-8xhj [No types assigned] Added Reference GitHub, Inc. https://github.com/aio-libs/aiohttp/pull/8653 [No types assigned] Added Reference GitHub, Inc. https://github.com/aio-libs/aiohttp/commit/ce2e9758814527589b10759a20783fb03b98339f [No types assigned] Added Reference GitHub, Inc. https://github.com/aio-libs/aiohttp/blob/e0ff5246e1d29b7710ab1a2bbc972b48169f1c05/aiohttp/web_fileresponse.py#L177 [No types assigned] Added Reference GitHub, Inc. https://github.com/aio-libs/aiohttp/blob/e0ff5246e1d29b7710ab1a2bbc972b48169f1c05/aiohttp/web_urldispatcher.py#L674 [No types assigned] Added CWE GitHub, Inc. CWE-61 Added CVSS V3.1 GitHub, Inc. AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-42367 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2024-42367
weaknesses.