CVE-2021-33844

Ubuntu Security Notice USN-5904-1

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 floating point exception (divide-by-zero) issue was discovered in SoX in functon startread() of wav.c file. An attacker with a crafted wav file, could cause an application to crash.

Se ha detectado un problema de excepción de punto flotante (división por cero) en SoX en la función startread() del archivo wav.c. Un atacante con un archivo wav diseñado, podría causar un bloqueo en la aplicación.

Helmut Grohne discovered that SoX incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 18.04 LTS. Helmut Grohne discovered that SoX incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service.

*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-369: Divide By Zero

CAPEC

References (4)

URL	Tag	Source
https://access.redhat.com/security/cve/CVE-2021-33844	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1975664	Issue Tracking
https://security.archlinux.org/CVE-2021-33844	Third Party Advisory

URL	Date	SRC
https://sourceforge.net/p/sox/bugs/349	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