#VU68635 Deserialization of Untrusted Data in jackson-databind - CVE-2022-42003

Vulnerability identifier: #VU68635

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-42003

CWE-ID: CWE-502

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
jackson-databind
Universal components / Libraries / Libraries used by multiple products

Vendor: FasterXML

Description

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

The vulnerability exists due to insecure input validation when processing serialized data when the UNWRAP_SINGLE_VALUE_ARRAYS feature is enabled. A remote attacker can pass specially crafted data to the application and cause a denial of service condition on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

jackson-databind: 2.12.0 - 2.13.4.1

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External links
https://github.com/FasterXML/jackson-databind/commit/d78d00ee7b5245b93103fef3187f70543d67ca33
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=51020
https://github.com/FasterXML/jackson-databind/issues/3590

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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.