Division by zero in wavpack (Alpine package)

1) Division by zero

EUVDB-ID: #VU19216

Risk: Low

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

CVE-ID: CVE-2019-1010315

CWE-ID: CWE-369 - Divide By Zero

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause a denial of service (DoS) condition on a targeted system.

The vulnerability exists due to a divide by zero error in the "ParseDsdiffHeaderConfig()" function in the "dsdiff.c" file, when parsing .wav files. 

A remote attacker can trick a victim to open a specially crafted .wav file and crash the affected application.

Mitigation

Install update from vendor's website.

Vulnerable software versions

wavpack (Alpine package): 4.60.1-r0 - 5.1.0-r7

CPE2.3

• cpe:2.3:o:alpine:wavpack_alpine_package:4.60.1-r0:*:*:*:*:alpine_linux:*:2.1
• cpe:2.3:o:alpine:wavpack_alpine_package:4.70.0-r0:*:*:*:*:alpine_linux:*:2.7
• cpe:2.3:o:alpine:wavpack_alpine_package:4.75.2-r0:*:*:*:*:alpine_linux:*:3.2

External links

http://git.alpinelinux.org/aports/commit/?id=fcfac0bb84e91ad39d8554e3ff04d2aacc625915
http://git.alpinelinux.org/aports/commit/?id=191092674935c795b8225c2830c1511c58e07b13
http://git.alpinelinux.org/aports/commit/?id=a72e9dec2ca905acb1090eae42c239c177a553f0
http://git.alpinelinux.org/aports/commit/?id=ac2fd8a89cfc84daba107884f80429f966353415
http://git.alpinelinux.org/aports/commit/?id=cf8d2a4da0a509445e4b9e7eda5074c70fad88c6
http://git.alpinelinux.org/aports/commit/?id=d30d51c92e7333a663a22b2775a0b3f2dcadf976

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.