#VU16177 Out-of-bounds read in libsndfile - CVE-2018-19662

Vulnerability identifier: #VU16177

Vulnerability risk: Low

CVSSv4.0: 5.2 [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-2018-19662

CWE-ID: CWE-125

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 perform a denial of service (DoS) attack.

The vulnerability exists due to buffer over-read in the function i2alaw_array in alaw.c that will lead to a denial of service. A remote attacker can perform a denial of service attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

libsndfile: 1.0.28

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External links
https://github.com/erikd/libsndfile/issues/429

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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.