#VU79778 Incorrect Conversion between Numeric Types in django-filter - CVE-2020-15225

Vulnerability identifier: #VU79778

Vulnerability risk: Medium

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

CVE-ID: CVE-2020-15225

CWE-ID: CWE-681

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
django-filter
Other software / Other software solutions

Vendor: carltongibson (Carlton Gibson)

Description

The vulnerability allows a remote attacker to perform DoS attack.

The vulnerability exists due to an error in the NumberFilter conversion to integer values. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

django-filter: 0.1.0 - 2.3.0

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External links
https://github.com/carltongibson/django-filter/security/advisories/GHSA-x7gm-rfgv-w973
https://github.com/carltongibson/django-filter/commit/340cf7a23a2b3dcd7183f6a0d6c383e85b130d2b
https://github.com/carltongibson/django-filter/releases/tag/2.4.0
https://security.netapp.com/advisory/ntap-20210604-0010/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DPHENTRHRAYFXYPPBT7JRHZRWILRY44S/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FAT2ZAEF6DM3VFSOHKB7X3ASSHGQHJAK/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SVJ7AYU6FUSU3F653YCGW5LFD3IULRSX/

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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.