CVE-2021-23159

Debian Security Advisory 5356-1

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A vulnerability was found in SoX, where a heap-buffer-overflow occurs in function lsx_read_w_buf() in formats_i.c file. The vulnerability is exploitable with a crafted file, that could cause an application to crash.

Se ha encontrado una vulnerabilidad en SoX, donde es producido un desbordamiento del buffer de la pila en la función lsx_read_w_buf() en el archivo formats_i.c. La vulnerabilidad puede explotarse con un archivo diseñado, que podría causar el bloqueo de una aplicación.

Multiple security issues were discovered in Sox, the Swiss Army knife of sound processing programs, which could result in denial of service or potentially the execution of arbitrary code if a malformed audio file is processed.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-06-04 CVE Reserved
2022-08-25 CVE Published
2024-08-03 CVE Updated
2024-08-03 First Exploit
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-787: Out-of-bounds Write

CAPEC

References (4)

URL	Tag	Source
https://access.redhat.com/security/cve/CVE-2021-23159	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1975671	Issue Tracking
https://security.archlinux.org/CVE-2021-23159	Third Party Advisory

URL	Date	SRC
https://sourceforge.net/p/sox/bugs/352	2024-08-03

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Sox Project Search vendor "Sox Project"		Sox Search vendor "Sox Project" for product "Sox"				14.4.2-7 Search vendor "Sox Project" for product "Sox" and version "14.4.2-7"		-		Affected