Improper input validation in Alibaba Fastjson
CVE-2017-18349
parseObject in Fastjson before 1.2.25, as used in FastjsonEngine in Pippo 1.11.0 and other products, allows remote attackers to execute arbitrary code via a crafted JSON request, as demonstrated by a crafted rmi:// URI in the dataSourceName field of HTTP POST data to the Pippo /json URI, which is mishandled in AjaxApplication.java.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.390 (98.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Alibaba Fastjson
- Pippo — versions 1.11.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Mitigation)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Mitigation)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2017-18349?
- CVE-2017-18349 is a critical-severity vulnerability in Alibaba Fastjson, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2018-10-23.
- How severe is CVE-2017-18349?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-18349 known to be exploited?
- 29 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.