Remote Code Execution Vulnerability in Foxit PDF Reader
CVE-2021-34950

7.8HIGH

Key Information:

Vendor

Foxit
Status
PDF Reader
Vendor
CVE Published:
7 May 2024

What is CVE-2021-34950?

A vulnerability exists in Foxit PDF Reader that allows remote attackers to execute arbitrary code on affected installations. Exploitation requires user interaction such as visiting a malicious web page or opening a harmful file. The flaw lies in the improper handling of Annotation objects, leading to a failure in validating user-supplied data. Consequently, this can result in a read operation that goes beyond the allocated object, enabling attackers to execute code within the context of the current process. For further details, refer to the advisory from ZDI-21-1181 and the vendor-provided security bulletin.

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Affected Version(s)

PDF Reader 11.0.0.49893

References

https://www.zerodayinitiative.com/advisories/ZDI-21-1181/
x_research-advisory
https://www.foxit.com/support/security-bulletins.html
vendor-advisory

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

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