#VU73928 Heap-based buffer overflow in SoX - CVE-2021-23172

Vulnerability identifier: #VU73928

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2021-23172

CWE-ID: CWE-122

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
SoX

Software vendor:
sox.sourceforge.net

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the startread() function in hcom.c. A remote attacker can trick the victim to open a specially crafted file, trigger a heap-based buffer overflow and crash the application.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

• https://bugzilla.redhat.com/show_bug.cgi?id=1975666
• https://sourceforge.net/p/sox/bugs/350/
• https://access.redhat.com/security/cve/CVE-2021-23172
• https://security.archlinux.org/CVE-2021-23172