#VU12404 Heap-based buffer overflow in libmad - CVE-2017-8373

Vulnerability identifier: #VU12404

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/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-2017-8373

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libmad
Universal components / Libraries / Libraries used by multiple products

Vendor: Underbit Technologies

Description

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

The weakness exists in the mad_layer_III function in layer3.c due to heap-based buffer overflow. A remote attacker can submit a specially crafted audio file, trick the victim into opening it, trigger memory corruption and cause the service to crash.

Mitigation
Install update from vendor's website.

Vulnerable software versions

libmad: 0.15.1b

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External links
https://blogs.gentoo.org/ago/2017/04/30/libmad-heap-based-buffer-overflow-in-mad_layer_iii-layer3-c/

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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.