#VU89159 Infinite loop in aiohttp - CVE-2024-30251

Vulnerability identifier: #VU89159

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-30251

CWE-ID: CWE-835

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
aiohttp
Other software / Other software solutions

Vendor: aio-libs

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop. A remote attacker can send a specially crafted POST request, consume all available system resources and cause denial of service conditions.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

aiohttp: 3.9.0 - 3.9.3

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External links
https://github.com/aio-libs/aiohttp/security/advisories/GHSA-5m98-qgg9-wh84
https://github.com/aio-libs/aiohttp/commit/7eecdff163ccf029fbb1ddc9de4169d4aaeb6597
https://github.com/aio-libs/aiohttp/commit/cebe526b9c34dc3a3da9140409db63014bc4cf19
https://github.com/aio-libs/aiohttp/commit/f21c6f2ca512a026ce7f0f6c6311f62d6a638866
https://www.openwall.com/lists/oss-security/2024/05/02/4

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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.