#VU16786 Input validation error in jackson-databind - CVE-2018-1000873

Vulnerability identifier: #VU16786

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-1000873

CWE-ID: CWE-20

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 insufficient validation of user-supplied input. A remote attacker can trick the victim into deserializing of crafted input with specifically very large values in the nanoseconds field of a time value and cause the service to crash.

Mitigation
Update to version 2.9.8.

Vulnerable software versions

jackson-databind: 2.1.0 - 2.1.4, 2.3.0 - 2.3.5, 2.4.0 - 2.4.6.1, 2.5.0 - 2.5.5, 2.6.0 - 2.6.8, 2.7.0 - 2.7.9.3, 2.8.0 - 2.8.11.1, 2.9.0 - 2.9.7

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External links
https://github.com/FasterXML/jackson-modules-java8/issues/90
https://github.com/FasterXML/jackson-modules-java8/pull/87

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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.