8.8
HIGH
CVE-2023-33876
Foxit Reader Use-After-Free Arbitrary Code Execution Vulnerability
Description

A use-after-free vulnerability exists in the way Foxit Reader 12.1.2.15332 handles destroying annotations. Specially crafted Javascript code inside a malicious PDF document can trigger reuse of a previously freed object, which can lead to memory corruption and result in arbitrary code execution. An attacker needs to trick the user into opening the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled.

INFO

Published Date :

July 19, 2023, 2:15 p.m.

Last Modified :

Nov. 21, 2024, 8:06 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2023-33876 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Foxitsoftware foxit_reader
1 Foxit pdf_reader
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-33876.

URL Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1796 Exploit Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1796 Exploit Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-33876 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-33876 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://talosintelligence.com/vulnerability_reports/TALOS-2023-1796
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Sep. 15, 2023

    Action Type Old Value New Value
    Changed Description A use-after-free vulnerability exists in the way Foxit Reader 12.1.2.15332 handles destroying annotations. A specially-crafted Javascript code inside a malicious PDF document can trigger reuse of a previously freed object which can lead to memory corruption and result in arbitrary code execution. An attacker needs to trick the user into opening the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially-crafted, malicious site if the browser plugin extension is enabled. A use-after-free vulnerability exists in the way Foxit Reader 12.1.2.15332 handles destroying annotations. Specially crafted Javascript code inside a malicious PDF document can trigger reuse of a previously freed object, which can lead to memory corruption and result in arbitrary code execution. An attacker needs to trick the user into opening the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled.
  • CVE Modified by [email protected]

    Sep. 01, 2023

    Action Type Old Value New Value
    Changed Description A use-after-free vulnerability exists in the way Foxit Reader 12.1.2.15332 handles destroying annotations. A specially-crafted Javascript code inside a malicious PDF document can trigger reuse of a previously freed object which can lead to memory corruption and result in arbitrary code execution. A specially-crafted Javascript code inside a malicious PDF document can cause memory corruption and lead to remote code execution. Exploitation is also possible if a user visits a specially-crafted, malicious site if the browser plugin extension is enabled. A use-after-free vulnerability exists in the way Foxit Reader 12.1.2.15332 handles destroying annotations. A specially-crafted Javascript code inside a malicious PDF document can trigger reuse of a previously freed object which can lead to memory corruption and result in arbitrary code execution. An attacker needs to trick the user into opening the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially-crafted, malicious site if the browser plugin extension is enabled.
  • Initial Analysis by [email protected]

    Jul. 26, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://talosintelligence.com/vulnerability_reports/TALOS-2023-1796 No Types Assigned https://talosintelligence.com/vulnerability_reports/TALOS-2023-1796 Exploit, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:foxit:pdf_reader:12.1.2.15332:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jul. 19, 2023

    Action Type Old Value New Value
    Removed Reference https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1796 [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 19, 2023

    Action Type Old Value New Value
    Added Reference https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1796 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-33876 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-33876 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.36 }} 0.10%

score

0.71841

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability