Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Foxitsoftware | Phantompdf | <= 9.3.0.10826 |
| Foxitsoftware | Reader | <= 9.3.0.10826 |
| Microsoft | Windows | - |
Related Weaknesses (CWE)
References
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0626ExploitThird Party Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0626ExploitThird Party Advisory
FAQ
What is CVE-2018-3956?
CVE-2018-3956 is a vulnerability with a CVSS score of 7.1 (HIGH). 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...
How severe is CVE-2018-3956?
CVE-2018-3956 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-3956?
Check the references section above for vendor advisories and patch information. Affected products include: Foxitsoftware Phantompdf, Foxitsoftware Reader, Microsoft Windows.