CVE-2019-11498 : Security Advisory and Response

WavpackSetConfiguration64 in pack_utils.c within the libwavpack.a library in WavPack versions up to 5.1.0 has a vulnerability that could lead to a denial of service attack.

Understanding CVE-2019-11498

This CVE involves a vulnerability in the WavPack library that could be exploited by attackers to crash applications.

What is CVE-2019-11498?

The function WavpackSetConfiguration64 in libwavpack.a in WavPack versions up to 5.1.0 is susceptible to a "Conditional jump or move depends on uninitialized value" flaw. This issue could be triggered by a DFF file lacking proper sample-rate data, potentially leading to a denial of service attack.

The Impact of CVE-2019-11498

The vulnerability could allow malicious actors to exploit the library, causing applications to crash, resulting in a denial of service condition.

Technical Details of CVE-2019-11498

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in WavPack versions up to 5.1.0 is related to an uninitialized value scenario in the WavpackSetConfiguration64 function, which could be exploited to crash applications.

Affected Systems and Versions

Product: N/A
Vendor: N/A
Versions affected: WavPack versions up to 5.1.0

Exploitation Mechanism

The vulnerability can be triggered by a DFF file that does not contain valid sample-rate data, leading to a denial of service attack.

Mitigation and Prevention

Protecting systems from CVE-2019-11498 is crucial to maintaining security.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Avoid opening untrusted DFF files to mitigate the risk of exploitation.

Long-Term Security Practices

Regularly update software and libraries to the latest versions.
Implement proper input validation mechanisms to prevent malformed files from causing issues.

Patching and Updates

Ensure that the WavPack library is updated to version 5.1.1 or later to address the vulnerability.