CVE-2018-3956
7.1 · HIGHOverview
CVE-2018-3956 is a high-severity vulnerability affecting foxitsoftware phantompdf. It was published on January 30, 2019 and has a CVSS 3.1 base score of 7.1 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
An exploitable out-of-bounds read vulnerability exists in the handling of certain XFA element attributes of Foxit Software's PDF Reader version 9.1.0.5096. A specially crafted PDF document can trigger an out-of-bounds read, which can disclose sensitive memory content and aid in exploitation when coupled with another vulnerability. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.
Remediation
Check the references section for vendor advisories and patches from foxitsoftware. Update phantompdf to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| foxitsoftware | phantompdf | 0 | Affected |
| foxitsoftware | reader | 0 | Affected |
Frequently Asked Questions
What is CVE-2018-3956?
CVE-2018-3956 is a high-severity vulnerability affecting foxitsoftware phantompdf. It was published on January 30, 2019 and has a CVSS 3.1 base score of 7.1 (HIGH).
How severe is CVE-2018-3956?
This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-3956?
Check the references section for vendor advisories and patches from foxitsoftware. Update phantompdf to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-3956?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-3956 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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