Use-after-free in sox (Alpine package)

1) Use-after-free

EUVDB-ID: #VU33437

Risk: Low

CVSSv4.0: 4 [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:U/U:Clear]

CVE-ID: CVE-2017-15642

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local non-authenticated attacker to perform a denial of service (DoS) attack.

In lsx_aiffstartread in aiff.c in Sound eXchange (SoX) 14.4.2, there is a Use-After-Free vulnerability triggered by supplying a malformed AIFF file.

Mitigation

Install update from vendor's website.

Vulnerable software versions

sox (Alpine package): 14.4.2-r4

CPE2.3

• cpe:2.3:a:alpine:sox_alpine_package:14.4.2-r4:*:*:*:*:alpine_linux:*:3.9

External links

https://git.alpinelinux.org/aports/commit/?id=86d8165dabb2ef111678693da7e68ae4c6332bc4
https://git.alpinelinux.org/aports/commit/?id=5402121572105dacecfadf254239c4aafed6dbae

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.