CVE-2018-1000873 Moderate severity vulnerability that affects com.fasterxml.jackson.datatype:jackson-datatype-jsr353
Attackers can cause denial of service by deserializing malicious input with large nanosecond values in Jackson Java8 modules.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-1000873?
CVE-2018-1000873 is a medium-severity denial of service vulnerability in Netapp Active Iq Unified Manager, published on 20 Dec 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-20
Which versions are affected by CVE-2018-1000873?
2 open source packages ship an affected version, including com.fasterxml.jackson.datatype:jackson-datatype-jsr310. It affects 6 products.
| Package | Affected | Fixed in |
|---|---|---|
com.fasterxml.jackson.datatype:jackson-datatype-jsr310 Maven | All versions | 2.9.8 |
com.fasterxml.jackson.datatype:jackson-datatype-jsr310 Maven | All versions | 2.9.8 |
Products include Fasterxml Jackson-Modules-Java8, Netapp Active Iq Unified Manager, Oracle Clusterware, Oracle Database Server, Oracle Global Lifecycle Management Opatch, Oracle Nosql Database.
How do I fix CVE-2018-1000873?
Upgrade com.fasterxml.jackson.datatype:jackson-datatype-jsr310 to 2.9.8 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-1000873 being exploited?
There is no known exploitation of CVE-2018-1000873 in the wild and no public exploit code.
Sources
Also known as CLEANSTART-2026-YW54942, GHSA-h4x4-5qp2-wp46, RHLW-2026-7b68982493d0dce4, UBUNTU-CVE-2018-1000873.