CVE-2021-34950: foxit pdf_editor Out-of-bounds Read

Vulnerability summary

CVE-2021-34950 is a high (CVSS 7.8) Out-of-bounds Read vulnerability in foxit pdf_editor. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 27% of scored vulnerabilities.

Timeline

1. 07-05-2024
   PublishedVulnerability first disclosed.
2. 04-08-2024
   Last modifiedVulnerability information updated.

Description

Foxit PDF Reader Annotation Out-Of-Bounds Read Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. 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 Annotation objects. 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 vulnerability to execute code in the context of the current process. Was ZDI-CAN-14396.

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