#VU33437 Use-after-free - CVE-2017-15642

Vulnerability identifier: #VU33437

Vulnerability 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

Exploitation vector: Local

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.

External links
https://lists.debian.org/debian-lts-announce/2017/11/msg00043.html
https://lists.debian.org/debian-lts-announce/2019/02/msg00042.html
https://security.gentoo.org/glsa/201810-02
https://sourceforge.net/p/sox/bugs/297/
https://sourceforge.net/p/sox/bugs/298/

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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.