Vulnerability identifier: #VU10571

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-14633

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

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

Vendor: xiph.org

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

The weakness exists in the function mapping0_forward() in mapping0.c due to out-of-bounds array read. A remote attacker can send the specially crafted audio file, trick the victim into operating it with vorbis_analysis() and cause the application to crash.

Mitigation
Install update from vendor's website.

Vulnerable software versions

libvorbis: 1.3.5

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External links
http://gitlab.xiph.org/xiph/vorbis/issues/2329

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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.