CVE-2021-23159

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/security/cve/CVE-2021-23159	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1975671	Issue Tracking Third Party Advisory
https://security.archlinux.org/CVE-2021-23159	Third Party Advisory
https://sourceforge.net/p/sox/bugs/352/	Exploit Third Party Advisory
https://access.redhat.com/security/cve/CVE-2021-23159	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1975671	Issue Tracking Third Party Advisory
https://security.archlinux.org/CVE-2021-23159	Third Party Advisory
https://sourceforge.net/p/sox/bugs/352/	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:sound_exchange_project:sound_exchange:14.4.2-7:*:*:*:*:*:*:*

History

27 Jun 2025, 18:51

Type	Values Removed	Values Added
CPE	cpe:2.3:a:sox_project:sox:14.4.2-7:::::::*	cpe:2.3:a:sound_exchange_project:sound_exchange:14.4.2-7:::::::*
First Time		Sound Exchange Project sound Exchange Sound Exchange Project

Information

Published : 2022-08-25 20:15

Updated : 2025-06-27 18:51

NVD link : CVE-2021-23159

Mitre link : CVE-2021-23159

CVE.ORG link : CVE-2021-23159

JSON object : View

Products Affected

sound_exchange_project

sound_exchange

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-787

Out-of-bounds Write

{"id": "CVE-2021-23159", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2022-08-25T20:15:08.923", "references": [{"url": "https://access.redhat.com/security/cve/CVE-2021-23159", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1975671", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://security.archlinux.org/CVE-2021-23159", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://sourceforge.net/p/sox/bugs/352/", "tags": ["Exploit", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/security/cve/CVE-2021-23159", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1975671", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.archlinux.org/CVE-2021-23159", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://sourceforge.net/p/sox/bugs/352/", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-120"}]}, {"type": "Secondary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Se ha encontrado una vulnerabilidad en SoX, donde es producido un desbordamiento del buffer de la pila en la funci\u00f3n lsx_read_w_buf() en el archivo formats_i.c. La vulnerabilidad puede explotarse con un archivo dise\u00f1ado, que podr\u00eda causar el bloqueo de una aplicaci\u00f3n."}], "lastModified": "2025-06-27T18:51:27.923", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:sound_exchange_project:sound_exchange:14.4.2-7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5F508BA4-3586-4735-82CB-F5C1B81EB83B"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}