#VU10816 Out-of-bounds read in libsndfile - CVE-2017-6892

Vulnerability identifier: #VU10816

Vulnerability risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-6892

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 obtain potentially sensitive information on the target system.

The weakness exists in the aiff_read_chanmap() function, which is defined in the aiff.c source code file due to improper handling of AIFF files. A remote attacker can create a specially crafted AIFF file, trick the victim into opening it, trigger out-of-bounds read and gain access to potentially sensitive information.

Mitigation
Install update from vendor's website.

Vulnerable software versions

libsndfile: 1.0.20 - 1.0.28

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External links
https://github.com/erikd/libsndfile/commit/f833c53cb596e9e1792949f762e0b33661822748

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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.