#VU82077 Resource exhaustion in Python - CVE-2022-48564

Vulnerability identifier: #VU82077

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-48564

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Python
Universal components / Libraries / Scripting languages

Vendor: Python.org

Description

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

The vulnerability occurs when processing malformed Apple Property List files in binary format. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Python: before 3.9.2, 3.9.2

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External links
https://bugs.python.org/issue42103
https://security.netapp.com/advisory/ntap-20230929-0009/
https://lists.debian.org/debian-lts-announce/2023/10/msg00017.html

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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.