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aiohttp

aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. Improper validation made it possible for an attacker to modify the HTTP request (e.g.to insert a new header) or create a new HTTP request if the attacker controls the HTTP version. The vulnerability only occurs if the attacker can control the HTTP version of the request. This issue has been patched in version 3.9.0.

CVE-2023-49081 is a vulnerability classified under CWE-20 (Improper Input Validation) affecting aiohttp, a widely used asynchronous HTTP client/server framework for Python's asyncio library. The vulnerability stems from insufficient validation of the HTTP version field in incoming requests. If an attacker can control the HTTP version value, they can exploit this flaw to manipulate the HTTP request structure, including inserting unauthorized headers or creating entirely new HTTP requests. This manipulation can lead to unauthorized information disclosure or request tampering, impacting the confidentiality and integrity of communications. The vulnerability does not affect availability and requires no privileges or user interaction, making it remotely exploitable over the network. The flaw affects aiohttp versions earlier than 3.9.0, with the issue resolved in the 3.9.0 release. The CVSS v3.1 base score is 7.2, reflecting a high severity due to the ease of exploitation (network vector, no privileges, no user interaction) and the potential for a complete scope impact (confidentiality and integrity). No known exploits have been reported in the wild as of the publication date. The vulnerability is particularly relevant for applications and services relying on aiohttp for asynchronous HTTP communications, including web servers, APIs, and microservices built with Python. Attackers exploiting this vulnerability could intercept or modify HTTP traffic, potentially leading to data leaks or unauthorized command execution within affected applications.

Detailed information about CVE-2023-49081: CWE-20: Improper Input Validation in aio-libs aiohttp affecting aio-libs aiohttp. Get real-time updates, technical de

CVE-2023-49081: CWE-20: Improper Input Validation in aio-libs aiohttp - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2023-49081: CWE-20: Improper Input Validation in aio-libs aiohttp

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