Wavpack up to 5.1.0 pack_utils.c WavpackPackInit resource consumption

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.3	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in Wavpack up to 5.1.0. Affected by this issue is the function WavpackPackInit of the file pack_utils.c. The manipulation leads to resource consumption. This vulnerability is traded as CVE-2018-19840. An attack has to be approached locally. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Wavpack up to 5.1.0. This issue affects the function WavpackPackInit of the file pack_utils.c. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. The summary by CVE is:

The function WavpackPackInit in pack_utils.c in libwavpack.a in WavPack through 5.1.0 allows attackers to cause a denial-of-service (resource exhaustion caused by an infinite loop) via a crafted wav audio file because WavpackSetConfiguration64 mishandles a sample rate of zero.

The bug was discovered 11/26/2018. The weakness was shared 12/04/2018 (Website). The advisory is shared at github.com. The identification of this vulnerability is CVE-2018-19840 since 12/03/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 236638 (Alibaba Cloud Linux 3 : 0061: wavpack (ALINUX3-SA-2022:0061)), which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197323 (Ubuntu Security Notification for Wavpack Vulnerabilities (USN-3839-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (236638). The entry VDB-127470 is related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Wavpack

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 236638
Nessus Name: Alibaba Cloud Linux 3 : 0061: wavpack (ALINUX3-SA-2022:0061)

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

11/26/2018 🔍
12/03/2018 +7 days 🔍
12/04/2018 +1 days 🔍
12/04/2018 +0 days 🔍
12/05/2018 +1 days 🔍
05/19/2025 +2357 days 🔍

Sourcesinfo

Advisory: 155743
Status: Confirmed

CVE: CVE-2018-19840 (🔍)
GCVE (CVE): GCVE-0-2018-19840
GCVE (VulDB): GCVE-100-127469
See also: 🔍

Entryinfo

Created: 12/05/2018 08:14
Updated: 05/19/2025 19:15
Changes: 12/05/2018 08:14 (62), 04/17/2020 11:18 (1), 06/12/2023 16:48 (4), 06/12/2023 16:56 (1), 05/19/2025 19:15 (20)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.