CVE-2021-21859

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An exploitable integer truncation vulnerability exists within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. The stri_box_read function is used when processing atoms using the 'stri' FOURCC code. An attacker can convince a user to open a video to trigger this vulnerability.

Se presenta una vulnerabilidad de truncamiento de enteros explotable dentro de la funcionalidad MPEG-4 decoding de la biblioteca GPAC Project en Advanced Content versión v1.0.1. La función stri_box_read es usada cuando se procesan átomos usando el código FOURCC "stri". Un atacante puede convencer a un usuario de abrir un vídeo para desencadenar esta vulnerabilidad.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-04 CVE Reserved
2021-08-16 CVE Published
2024-05-01 EPSS Updated
2024-08-03 CVE Updated
2024-08-03 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-190: Integer Overflow or Wraparound
CWE-680: Integer Overflow to Buffer Overflow

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1298	2024-08-03

URL	Date	SRC

URL	Date	SRC
https://www.debian.org/security/2021/dsa-4966	2022-09-03

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Gpac Search vendor "Gpac"		Gpac Search vendor "Gpac" for product "Gpac"				1.0.1 Search vendor "Gpac" for product "Gpac" and version "1.0.1"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				11.0 Search vendor "Debian" for product "Debian Linux" and version "11.0"		-		Affected