CVE-2018-20312
8.1 · HIGHOverview
CVE-2018-20312 is a high-severity vulnerability affecting foxitsoftware phantompdf. It was published on January 7, 2021 and has a CVSS 3.1 base score of 8.1 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Foxit Reader before 9.5, and PhantomPDF before 8.3.10 and 9.x before 9.5, has a proxyDoAction race condition that can cause a stack-based buffer overflow or an out-of-bounds read, a different issue than CVE-2018-20310 because of a different opcode.
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, < 8.3.10 | Affected |
| foxitsoftware | reader | >= 0, < 9.5 | Affected |
Frequently Asked Questions
What is CVE-2018-20312?
CVE-2018-20312 is a high-severity vulnerability affecting foxitsoftware phantompdf. It was published on January 7, 2021 and has a CVSS 3.1 base score of 8.1 (HIGH).
How severe is CVE-2018-20312?
This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-20312?
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-2018-20312?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-20312 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.
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