Musescore CAP File Parser heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Musescore. This affects an unknown function of the component CAP File Parser. Executing a manipulation can lead to heap-based overflow. This vulnerability appears as CVE-2023-44428. The attack requires local access. There is no available exploit.

Detailsinfo

A vulnerability has been found in Musescore (affected version not known) and classified as critical. This vulnerability affects some unknown functionality of the component CAP File Parser. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

MuseScore CAP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of MuseScore. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of CAP files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-20769.

The weakness was presented 10/05/2023 as ZDI-23-1526. The advisory is shared for download at zerodayinitiative.com. This vulnerability was named CVE-2023-44428 since 09/28/2023. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/18/2025).

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/28/2023 🔍
10/05/2023 +7 days 🔍
10/05/2023 +0 days 🔍
08/18/2025 +683 days 🔍

Sourcesinfo

Advisory: ZDI-23-1526
Status: Not defined

CVE: CVE-2023-44428 (🔍)
GCVE (CVE): GCVE-0-2023-44428
GCVE (VulDB): GCVE-100-241348

Entryinfo

Created: 10/05/2023 08:15
Updated: 08/18/2025 17:50
Changes: 10/05/2023 08:15 (36), 08/18/2025 17:50 (27)
Complete: 🔍
Cache ID: 216::103

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