CVE-2021-27266: foxit phantompdf Out-of-bounds Read

Vulnerability summary

CVE-2021-27266 is a medium (CVSS 4.3) Out-of-bounds Read vulnerability in foxit phantompdf. EPSS estimates a 2.19% chance of exploitation in the next 30 days, higher than 82.1% of scored vulnerabilities.

Timeline

1. 30-03-2021
   PublishedVulnerability first disclosed.
2. 03-08-2024
   Last modifiedVulnerability information updated.

Description

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PhantomPDF 10.1.0.37527. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of U3D objects embedded in PDF files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-12293.

• CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.