🛡️ CVE-2024-24752
🟡 CVSS 6.5 — Medium ⚠️ Exploit Public CWE-400 NVD
6.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Bref enable serverless PHP on AWS Lambda. When Bref is used with the Event-Driven Function runtime and the handler is a `RequestHandlerInterface`, then the Lambda event is converted to a PSR7 object. During the conversion process, if the request is a MultiPart, each part is parsed and for each which contains a file, it is extracted and saved in `/tmp` with a random filename starting with `bref_upload_`. The flow mimics what plain PHP does but it does not delete the temporary files when the request has been processed. An attacker could fill the Lambda instance disk by performing multiple MultiPart requests containing files. This vulnerability is patched in 2.1.13.

Details

Severity MEDIUM
CVSS Score 6.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE CWE-400
Public Exploit ⚠️ Yes
Source NVD
Published 2024-02-01
Updated 2026-06-02
Modified 2024-11-21

Affected Packages

Software From version Fixed in
bref — 2.1.13
bref/bref — 2.1.13

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