CVE-2021-34974 Foxit PDF Reader Annotation Use-After-Free Remote Code Execution Vulnerability

2024-05-0722:54:46

CWE-416

zdi

www.cve.org

foxit pdf reader

annotation

use-after-free

remote code execution

vulnerability

remote attackers

arbitrary code

malicious page

malicious file

zdi-can-15167

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

0.0005 Low

EPSS

Percentile

17.0%

JSON

Foxit PDF Reader Annotation Use-After-Free 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 validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-15167.

CNA Affected

[
  {
    "vendor": "Foxit",
    "product": "PDF Reader",
    "versions": [
      {
        "version": "11.0.1.49938",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  }
]