#VU64940 Input validation error in ultrajson - CVE-2022-31116

Vulnerability identifier: #VU64940

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:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-31116

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ultrajson
Other software / Other software solutions

Vendor: ultrajson

Description

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

The vulnerability exists due to an error when decoding untrusted input. 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

ultrajson: 1.19 - 5.3.0

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External links
https://github.com/ultrajson/ultrajson/commit/67ec07183342589d602e0fcf7bb1ff3e19272687
https://github.com/ultrajson/ultrajson/security/advisories/GHSA-wpqr-jcpx-745r

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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.