CVE-2018-1000873: Improper Input Validation

December 21, 2018 (updated September 13, 2021)

Fasterxml Jackson version Before 2.9.8 contains a CWE-20: Improper Input Validation vulnerability in Jackson-Modules-Java8 that can result in Causes a denial-of-service (DoS). This attack appear to be exploitable via The victim deserializes malicious input, specifically very large values in the nanoseconds field of a time value. This vulnerability appears to have been fixed in 2.9.8.

References

github.com/FasterXML/jackson-modules-java8/issues/90
github.com/FasterXML/jackson-modules-java8/pull/87
github.com/advisories/GHSA-h4x4-5qp2-wp46
nvd.nist.gov/vuln/detail/CVE-2018-1000873

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