#VU16283 Infinite loop in WavPack - CVE-2018-19840

Vulnerability identifier: #VU16283

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-2018-19840

CWE-ID: CWE-835

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WavPack
Client/Desktop applications / Multimedia software

Vendor: wavpack

Description

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

The vulnerability exists in the WavpackPackInit function, as defined in the pack_utils.csource code file due to the WavpackSetConfiguration64 function improperly handles a block sample rate of zero. A remote attacker can trick the victim into accessing a .wav file that submits malicious, trigger an infinite loop condition that could consume excessive resources and cause the affected software to crash, resulting in a DoS condition.

Mitigation
Install update from vendor's website.

Vulnerable software versions

WavPack: 4.1 - 5.1.0

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External links
https://github.com/dbry/WavPack/issues/53

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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.