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veracodeVeracode Vulnerability DatabaseVERACODE:44290
HistoryNov 16, 2023 - 6:17 a.m.

HTTP Request Smuggling

2023-11-1606:17:44
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
13
http request smuggling
aiohttp
http_parser.py
content-length
transfer-encoding
proxy rules
user redirection
vulnerability

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

7 High

AI Score

Confidence

Low

0.0005 Low

EPSS

Percentile

17.0%

aiohttp is vulnerable to HTTP Request Smuggling. The vulnerability exists due to an inconsistent interpretation of the Content-Length (CL) and Transfer-Encoding (TE) headers in http_parser.py, which can be exploited to bypass proxy rules, poison sockets, and potentially redirect users to malicious websites.

CPENameOperatorVersion
aiohttple3.8.0a7
aiohttple3.8.0a7

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

7 High

AI Score

Confidence

Low

0.0005 Low

EPSS

Percentile

17.0%