#VU10868 Divide by zero in libsndfile - CVE-2017-14634

Vulnerability identifier: #VU10868

Vulnerability risk: Low

CVSSv4.0: 1 [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-2017-14634

CWE-ID: CWE-369

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libsndfile
Client/Desktop applications / Multimedia software

Vendor: Erik de Castro Lopo

Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in the double64_init() function due to a divide-by-zero error when processing crafted audio files. A remote attacker can trick the victim into opening a specially crafted audio file, trigger a divide-by-zero condition and cause the service to crash.

Mitigation
Install update from vendor's website.

Vulnerable software versions

libsndfile: 1.0.28

---

External links
https://github.com/fabiangreffrath/libsndfile/commit/904c5153f51f968d2f1deb0ad73eb8f23180327d

---

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.