Inconsistent interpretation of HTTP requests in aiohttp - CVE-2023-49082

 

Inconsistent interpretation of HTTP requests in aiohttp - CVE-2023-49082

Published: December 4, 2023


Vulnerability identifier: #VU83633
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-49082
CWE-ID: CWE-444
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: aio-libs
Affected software:
aiohttp

Detailed vulnerability description

The vulnerability allows a remote attacker to perform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP requests when processing HTTP request method. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.


How to mitigate CVE-2023-49082

Install updates from vendor's website.

Sources