FasterXML Jackson up to 2.9.7 jackson-databind nanoseconds input validation

Summaryinfo

A vulnerability marked as problematic has been reported in FasterXML Jackson up to 2.9.7. Affected by this issue is some unknown functionality of the component jackson-databind. The manipulation of the argument nanoseconds leads to input validation. This vulnerability is referenced as CVE-2018-1000873. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in FasterXML Jackson up to 2.9.7 (Programming Language Software). It has been rated as problematic. This issue affects an unknown code of the component jackson-databind. The manipulation of the argument nanoseconds with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

Fasterxml Jackson version Before 2.9.8 contains a CWE-20: Improper Input Validation vulnerability in Jackson-Databind 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.

The bug was discovered 10/24/2018. The weakness was published 12/20/2018 (Website). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2018-1000873 since 12/20/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 57 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.9.8 eliminates this vulnerability.

Similar entry is available at VDB-138159. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Programming Language Software

Vendor

• FasterXML

Name

• Jackson

Version

• 2.9.0
• 2.9.1
• 2.9.2
• 2.9.3
• 2.9.4
• 2.9.5
• 2.9.6
• 2.9.7

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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