CVE-2021-34973 Foxit PDF Reader PDF File Parsing Use-After-Free Information Disclosure Vulnerability

2024-05-0722:54:45

CWE-416

zdi

www.cve.org

foxit pdf reader

parsing

use-after-free

information disclosure

vulnerability

remote attackers

pdf files

arbitrary code

CVSS3

3.3

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

AI Score

5.4

Confidence

High

EPSS

0.001

Percentile

29.6%

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 parsing 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-14968.

CNA Affected

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