Deserialization in Fasterxml Jackson-Databind
CVE-2019-16943
A Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.0.0 through 2.9.10. When Default Typing is enabled (either globally or for a specific property) for an externally exposed JSON endpoint and the service has the p6spy (3.8.6) jar in the classpath, and an attacker can find an RMI service endpoint to access, it is possible to make the service execute a malicious payload. This issue exists because of com.p6spy.engine.spy.P6DataSource mishandling.
Vulnerability class: Insecure Deserialization
EPSS: 0.049 (91.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Fasterxml Jackson-databind
- Netapp Active_iq_unified_manager
- Netapp Oncommand_api_services
- Netapp Oncommand_workflow_automation
- Netapp Service_level_manager
- Netapp Steelstore_cloud_integrated_storage
- Oracle Banking_platform — versions 2.4.0, 2.4.1, 2.5.0
- Oracle Communications_billing_and_revenue_management — versions 7.5.0.23.0, 12.0.0.3.0
- Oracle Communications_calendar_server — versions 8.0.0.2.0, 8.0.0.3.0
- Oracle Communications_cloud_native_core_network_slice_selection_function — versions 1.2.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_DEBIAN)
- cve@mitre.org (mailing-list, x_refsource_BUGTRAQ, Mailing List, Third Party Advisory, Issue Tracking)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
Frequently asked questions
- What is CVE-2019-16943?
- CVE-2019-16943 is a critical-severity vulnerability in Fasterxml Jackson-Databind, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2019-10-01.
- How severe is CVE-2019-16943?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-16943 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.