Resource exhaustion in starlette - CVE-2024-47874

Vulnerability identifier: #VU98820

CSH Severity: Medium

CVSS v4: 8.7 [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]

CVE-ID: CVE-2024-47874

CWE-ID: CWE-400

Exploitation vector: Remote access

Exploit availability: No public exploit available

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.

starlette
Debian Linux
openSUSE Leap
Fedora
IBM Concert Software
IBM Observability with Instana
IBM Cloud Pak for Security
QRadar Suite
python-openapi-core
starlette (Debian package)
python311-starlette
python-starlette
python-fastapi
python-platformio
Security QRadar EDR
IBM Cloud Pak for Watson AIOps

Install updates from vendor's website.

starlette - update to 0.40.0
IBM Concert Software - update to 1.0.5
IBM Observability with Instana - update to 1.0.307
QRadar Suite - update to 1.10.27.0
python-openapi-core - addressed in versions 0.19.4-3.fc40, 0.19.4-4.fc41, 0.19.4-4.fc42
starlette (Debian package) - addressed in versions 0.26.1-1+deb12u1, 0.46.1-3+deb13u2
python311-starlette - update to 0.35.1-150600.3.3.1
python-starlette - addressed in versions 0.40.0-1.fc40, 0.40.0-1.fc41, 0.40.0-1.fc42
python-fastapi - addressed in versions 0.111.1-7.fc40, 0.115.2-1.fc41
Security QRadar EDR - update to 3.12.14
IBM Cloud Pak for Watson AIOps - update to 4.8.1
python-platformio - addressed in versions 6.1.14-7.fc40, 6.1.14-7.fc41, 6.1.16-2.fc42

• https://github.com/encode/starlette/security/advisories/GHSA-f96h-pmfr-66vw
• https://github.com/encode/starlette/commit/fd038f3070c302bff17ef7d173dbb0b007617733
• https://github.com/Kludex/starlette/security/advisories/GHSA-f96h-pmfr-66vw

• Denial of service in Starlette
• SUSE update for python-starlette
• Fedora 42 update for python-openapi-core, python-platformio, python-starlette
• Fedora 41 update for python-fastapi, python-openapi-core, python-platformio, python-starlette
• Fedora 40 update for python-fastapi, python-openapi-core, python-platformio, python-starlette
• Multiple vulnerabilities in QRadar Suite Software
• Multiple vulnerabilities in IBM Security QRadar EDR
• Multiple vulnerabilities in IBM Cloud Pak for AIOps
• Multiple vulnerabilities in IBM Concert Software
• Multiple vulnerabilities in IBM Observability with Instana
• Debian update for starlette