#VU81676 Heap-based buffer overflow in MuseScore - CVE-2023-44428

Vulnerability identifier: #VU81676

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-44428

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MuseScore
Client/Desktop applications / Other client software

Vendor: MuseScore

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the parsing of CAP files. A remote attacker can trick a victim to open a specially crafted file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

MuseScore: 4.1.1

---

External links
https://www.zerodayinitiative.com/advisories/ZDI-23-1526/

---

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.