CVE-2023-21608

Adobe Acrobat and Reader Use-After-Free Vulnerability

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

Yes

*KEV

Decision

*SSVC

Descriptions

Adobe Acrobat Reader versions 22.003.20282 (and earlier), 22.003.20281 (and earlier) and 20.005.30418 (and earlier) are affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Las versiones de Adobe Acrobat Reader 22.003.20282 (y anteriores), 22.003.20281 (y anteriores) y 20.005.30418 (y anteriores) se ven afectadas por una vulnerabilidad Use After Free que podría provocar la ejecución de código arbitrario en el contexto del usuario actual. La explotación de este problema requiere la interacción del usuario, ya que la víctima debe abrir un archivo malicioso.

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Adobe Acrobat Reader DC. 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 resetForm method. 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.

Adobe Acrobat and Reader contains a use-after-free vulnerability that allows for code execution in the context of the current user.

*Credits: Ashfaq Ansari and Krishnakant Patil - HackSys Inc

CVSS Scores

Adobev3.1 7.8

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-12-01 CVE Reserved
2023-01-18 CVE Published
2023-02-13 First Exploit
2023-10-10 Exploited in Wild
2023-10-31 KEV Due Date
2024-08-02 CVE Updated
2024-09-08 EPSS Updated

CWE

CWE-416: Use After Free

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC
https://github.com/hacksysteam/CVE-2023-21608	2023-12-05
https://github.com/Malwareman007/CVE-2023-21608	2023-02-13

URL	Date	SRC

URL	Date	SRC
https://helpx.adobe.com/security/products/acrobat/apsb23-01.html	2023-01-26

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Adobe Search vendor "Adobe"	Acrobat Dc Search vendor "Adobe" for product "Acrobat Dc"	>= 15.008.20082 <= 22.003.20282 Search vendor "Adobe" for product "Acrobat Dc" and version " >= 15.008.20082 <= 22.003.20282"	continuous	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe
Adobe Search vendor "Adobe"	Acrobat Reader Dc Search vendor "Adobe" for product "Acrobat Reader Dc"	>= 15.008.20082 <= 22.003.20282 Search vendor "Adobe" for product "Acrobat Reader Dc" and version " >= 15.008.20082 <= 22.003.20282"	continuous	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe
Adobe Search vendor "Adobe"	Acrobat Dc Search vendor "Adobe" for product "Acrobat Dc"	>= 15.008.20082 <= 22.003.20281 Search vendor "Adobe" for product "Acrobat Dc" and version " >= 15.008.20082 <= 22.003.20281"	continuous	Affected	in	Apple Search vendor "Apple"	Macos Search vendor "Apple" for product "Macos"	-	-	Safe
Adobe Search vendor "Adobe"	Acrobat Reader Dc Search vendor "Adobe" for product "Acrobat Reader Dc"	>= 15.008.20082 <= 22.003.20281 Search vendor "Adobe" for product "Acrobat Reader Dc" and version " >= 15.008.20082 <= 22.003.20281"	continuous	Affected	in	Apple Search vendor "Apple"	Macos Search vendor "Apple" for product "Macos"	-	-	Safe
Adobe Search vendor "Adobe"	Acrobat Search vendor "Adobe" for product "Acrobat"	>= 20.001.30005 <= 20.005.30418 Search vendor "Adobe" for product "Acrobat" and version " >= 20.001.30005 <= 20.005.30418"	classic	Affected	in	Apple Search vendor "Apple"	Macos Search vendor "Apple" for product "Macos"	-	-	Safe
Adobe Search vendor "Adobe"	Acrobat Search vendor "Adobe" for product "Acrobat"	>= 20.001.30005 <= 20.005.30418 Search vendor "Adobe" for product "Acrobat" and version " >= 20.001.30005 <= 20.005.30418"	classic	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe
Adobe Search vendor "Adobe"	Acrobat Reader Search vendor "Adobe" for product "Acrobat Reader"	>= 20.001.30005 <= 20.005.30418 Search vendor "Adobe" for product "Acrobat Reader" and version " >= 20.001.30005 <= 20.005.30418"	classic	Affected	in	Apple Search vendor "Apple"	Macos Search vendor "Apple" for product "Macos"	-	-	Safe
Adobe Search vendor "Adobe"	Acrobat Reader Search vendor "Adobe" for product "Acrobat Reader"	>= 20.001.30005 <= 20.005.30418 Search vendor "Adobe" for product "Acrobat Reader" and version " >= 20.001.30005 <= 20.005.30418"	classic	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe