Vulnerability in Foxitsoftware Foxit Reader
CVE-2018-3843
An exploitable type confusion vulnerability exists in the way Foxit PDF Reader version 9.0.1.1049 parses files with associated file annotations. A specially crafted PDF document can lead to an object of invalid type to be dereferenced, which can potentially lead to sensitive memory disclosure, and possibly to arbitrary code execution. An attacker needs to trick the user into opening the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.216 (97.5th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.236 · newest: 0.216 · change: -0.020
Affected products
- Foxitsoftware Foxit Reader — versions 9.0.1.1049
- Talos Foxit — versions Foxit PDF Reader 9.0.1.1049
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securitytracker.com/id/1040733 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- www.securityfocus.com/bid/103942 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- www.talosintelligence.com/vulnerability_reports/TALOS-2018-0526 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-3843?
- CVE-2018-3843 is a high-severity vulnerability in Foxitsoftware Foxit Reader, classified under Incorrect Type Conversion or Cast. CVSS score: 8.8/10. Published 2018-04-19.
- How severe is CVE-2018-3843?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2018-3843 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.