#VU94747 Improper Output Neutralization for Logs in Flask-CORS - CVE-2024-1681

Vulnerability identifier: #VU94747

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-1681

CWE-ID: CWE-117

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Flask-CORS
Universal components / Libraries / Libraries used by multiple products

Vendor: Cory Dolphin

Description

The vulnerability allows a remote attacker to modify data on the system.

The vulnerability exists due to excessive data output by the application. A remote attacker can send a specially crafted GET request containing a CRLF sequence in the request path to inject fake log entries into the log file.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Flask-CORS: 4.0.0

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External links
https://huntr.com/bounties/25a7a0ba-9fa2-4777-acb6-03e5539bb644

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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.