#VU10822 Memory corruption in WavPack - CVE-2018-7254

Vulnerability identifier: #VU10822

Vulnerability risk: Low

CVSSv4.0: 7.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2018-7254

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
WavPack
Client/Desktop applications / Multimedia software

Vendor: wavpack

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

The weakness exists in the cli/caff.c source codein the ParseCaffHeaderConfig function due to boundary error. A remote attacker can submit a specially crafted CAF file, trigger a buffer overflow or incorrect memory allocation and cause the service to crash.

Mitigation
Update to version 5.1.0-2.

Vulnerable software versions

WavPack: 5.1.0

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External links
https://github.com/dbry/WavPack/commit/8e3fe45a7bac31d9a3b558ae0079e2d92a04799e

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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.