CVE-2021-21870

A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader, version 10.1.4.37651. A specially crafted PDF document can trigger the reuse of previously free memory, which can lead to arbitrary code execution. An attacker needs to trick the user into opening a malicious file or site to trigger this vulnerability if the browser plugin extension is enabled.

CVSS v3 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1307	Exploit Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1307	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:foxit:pdf_reader:10.1.4.37651:*:*:*:*:*:*:*

History

21 Nov 2024, 05:49

Type	Values Removed	Values Added
References	~~() https://talosintelligence.com/vulnerability_reports/TALOS-2021-1307 - Exploit, Third Party Advisory~~	() https://talosintelligence.com/vulnerability_reports/TALOS-2021-1307 - Exploit, Third Party Advisory

Information

Published : 2021-08-05 21:15

Updated : 2024-11-21 05:49

NVD link : CVE-2021-21870

Mitre link : CVE-2021-21870

CVE.ORG link : CVE-2021-21870

JSON object : View

Products Affected

foxit

pdf_reader

CWE

CWE-416

Use After Free

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