Multiple vulnerabilities in aiohttp

Published: 2024-01-30 | Updated: 2024-11-29

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2024-23829 CVE-2024-23334
CWE-ID	CWE-444 CWE-22
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #1 is available. Vulnerability #2 is being exploited in the wild.
Vulnerable software	aiohttp Other software / Other software solutions
Vendor	aio-libs

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Inconsistent interpretation of HTTP requests

EUVDB-ID: #VU85884

Risk: Medium

CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2024-23829

CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

Exploit availability: No

Description

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

The vulnerability exists due to improper validation of HTTP requests. 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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

aiohttp: 3.9.1

CPE2.3

cpe:2.3:a:aio-libs:aiohttp:3.9.1:*:*:*:*:*:*:*

External links

https://github.com/aio-libs/aiohttp/security/advisories/GHSA-8qpw-xqxj-h4r2
https://github.com/aio-libs/aiohttp/pull/8074
https://github.com/aio-libs/aiohttp/commit/33ccdfb0a12690af5bb49bda2319ec0907fa7827

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

2) Path traversal

EUVDB-ID: #VU85886

Risk: High

CVSSv4.0: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2024-23334

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in aiohttp.web.static(follow_symlinks=True). A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Request examples:

For windows: /static/../D:\flag.txt Poc

For Linux: /static/../../../../etc/passwd

Mitigation

Install update from vendor's website.