// For flags

CVE-2019-6734

Foxit PhantomPDF setInterval Use-After-Free Information Disclosure Vulnerability

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Foxit PhantomPDF. 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 the setInterval method. By performing actions in JavaScript, an attacker can cause a pointer to be reused after it has been freed. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process. Was ZDI-CAN-7452.

Esta vulnerabilidad permite que atacantes remotos revelen información sensible en instalaciones vulnerables de Foxit PhantomPDF. Se requiere de interacción del usuario para explotar esta vulnerabilidad en la que el objetivo debe visitar una página maliciosa o abrir un archivo malicioso. Este error en concreto existe en la gestión del método setInterval. Al realizar acciones en JavaScript, un atacante puede provocar que se reutilice un puntero una vez ha sido liberado. Un atacante podría aprovecharse de esta vulnerabilidad y otras para ejecutar código en el contexto del actual proceso. Anteriormente era ZDI-CAN-7452.

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Foxit PhantomPDF. 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 the setInterval method. By performing actions in JavaScript, an attacker can cause a pointer to be reused after it has been freed. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process.

*Credits: Anonymous
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2019-01-24 CVE Reserved
  • 2019-01-25 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-08-09 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-416: Use After Free
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Foxitsoftware
Search vendor "Foxitsoftware"
 Phantompdf
Search vendor "Foxitsoftware" for product "Phantompdf"
 <= 9.3.0.10826
Search vendor "Foxitsoftware" for product "Phantompdf" and version " <= 9.3.0.10826"
-
Affected
in Microsoft
Search vendor "Microsoft"
 Windows
Search vendor "Microsoft" for product "Windows"
--
Safe
Foxitsoftware
Search vendor "Foxitsoftware"
 Reader
Search vendor "Foxitsoftware" for product "Reader"
 <= 9.3.0.10826
Search vendor "Foxitsoftware" for product "Reader" and version " <= 9.3.0.10826"
-
Affected
in Microsoft
Search vendor "Microsoft"
 Windows
Search vendor "Microsoft" for product "Windows"
--
Safe