CVE-2021-40426 — Heap-based Buffer Overflow in Exchange Libsox

CWE-122 — Heap-based Buffer OverflowCWE-787 — Out-of-bounds Write12 documents8 sources
Severity
8.8HIGHNVD
OSV5.5
EPSS
0.5%
top 32.47%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Sound Exchange LibsoxSound Exchange Project Sound Exchange
Timeline
PublishedApr 14
Latest updateMar 20

Description

A heap-based buffer overflow vulnerability exists in the sphere.c start_read() functionality of Sound Exchange libsox 14.4.2 and master commit 42b3557e. A specially-crafted file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5sound_exchange/libsox14.4.2, master commit 42b3557e+1

🔴Vulnerability Details

5
OSV
sox regression↗2023-03-20
▶
OSV
sox vulnerabilities↗2023-03-02
▶
GHSA
GHSA-5x4j-m9qh-g9w5: A heap-based buffer overflow vulnerability exists in the sphere↗2022-04-15
▶
OSV
CVE-2021-40426: A heap-based buffer overflow vulnerability exists in the sphere↗2022-04-14
▶
CVEList
CVE-2021-40426: A heap-based buffer overflow vulnerability exists in the sphere↗2022-04-14
▶

📋Vendor Advisories

4
Ubuntu
SoX regression↗2023-03-20
▶
Ubuntu
SoX vulnerabilities↗2023-03-02
▶
Red Hat
sox: heap-based buffer overflow vulnerability exists in the sphere.c start_read() function↗2022-04-14
▶
Debian
CVE-2021-40426: sox - A heap-based buffer overflow vulnerability exists in the sphere.c start_read() f...↗2021
▶

🕵️Threat Intelligence

2
Talos
Vulnerability Spotlight: Heap overflow in Sound Exchange libsox library↗2022-03-23
▶
Talos
Vulnerability Spotlight: Heap overflow in Sound Exchange libsox library↗2022-03-23
▶
CVE-2021-40426 — Heap-based Buffer Overflow | cvebase