#VU88853 Incorrect Regular Expression in pydantic - CVE-2024-3772

Vulnerability identifier: #VU88853

Vulnerability risk: Medium

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

CVE-ID: CVE-2024-3772

CWE-ID: CWE-185

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
pydantic
Other software / Other software solutions

Vendor: Pydantic

Description

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

The vulnerability exists due to insufficient input validation when processing regular expressions. A remote attacker can pass specially crafted email string to the application and perform regular expression denial of service (ReDos) attack.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability..

Vulnerable software versions

pydantic: before 1.10.13

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External links
https://github.com/pydantic/pydantic/pull/7360

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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.