Fedora 40 update for python-fastapi, python-openapi-core, python-platformio, python-starlette

1) Resource exhaustion

EUVDB-ID: #VU98820

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-2024-47874

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to application treats multipart/form-data parts without a filename as text form fields and buffers those in byte strings with no size limit. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 40

python-starlette: before 0.40.0-1.fc40

python-platformio: before 6.1.14-7.fc40

python-openapi-core: before 0.19.4-3.fc40

python-fastapi: before 0.111.1-7.fc40

CPE2.3

• cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*
• cpe:2.3:a:fedoraproject:python-starlette:*:*:*:*:*:fedora:*:*
• cpe:2.3:a:fedoraproject:python-platformio:*:*:*:*:*:fedora:*:*
• cpe:2.3:a:fedoraproject:python-openapi-core:*:*:*:*:*:fedora:*:*
• cpe:2.3:a:fedoraproject:python-fastapi:*:*:*:*:*:fedora:*:*

External links

https://bodhi.fedoraproject.org/updates/FEDORA-2024-f1615b58e6

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.