CVE-2021-34976 Foxit PDF Reader PDF File Parsing Use-After-Free Information Disclosure Vulnerability

2024-05-0722:54:48

CWE-416

zdi

www.cve.org

cve-2021-34976; information disclosure; use-after-free; pdf parsing; remote attack; sensitive information disclosure; validation; arbitrary code execution; zdi-can-14659

3.3 Low

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

5.4 Medium

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

17.1%

JSON

Foxit PDF Reader PDF File Parsing Use-After-Free Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information 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 PDF files. 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 in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-14659.

CNA Affected

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