Out-of-Bounds Write Vulnerability in Foxit Reader and PhantomPDF
CVE-2021-33792

7.8HIGH

Key Information:

Vendor

Foxit
Status
Foxit Reader
PhantomPDF
Vendor
CVE Published:
9 July 2021

What is CVE-2021-33792?

An out-of-bounds write vulnerability exists in Foxit Reader and PhantomPDF prior to version 10.1.4, where a crafted /Size key within the Trailer dictionary can lead to potential data corruption or unintended behavior. This vulnerability can be exploited by attackers to manipulate memory usage, which may result in unauthorized access or escalation of privileges.

References

https://www.foxitsoftware.com/support/security-bulletins....
x_refsource_MISC

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.