Vulnerability identifier: #VU17767

Vulnerability risk: Low

CVSSv3.1: 6.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:U/RC:C]

CVE-ID: CVE-2019-8356

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SoX
Client/Desktop applications / Multimedia software

Vendor: sox.sourceforge.net

Description

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

The vulnerability exists due to improper protection on an argument passed to the bitrv2 function, as defined in the fft4g.c source code file of the affected software. A remote attacker can trick the victim into executing a file that submits malicious input to the targeted system with the sox command, trigger a stack-based buffer overflow condition and perform a denial of service (DoS) attack.

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

Vulnerable software versions

SoX: 14.4.2

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External links
http://sourceforge.net/p/sox/bugs/321/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.