#VU18324 Heap-based buffer overflow in NTFS-3G - CVE-2019-9755

Vulnerability identifier: #VU18324

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-9755

CWE-ID: CWE-122

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
NTFS-3G
Universal components / Libraries / Libraries used by multiple products

Vendor: Tuxera

Description

The vulnerability allows a local user to escalate privileges on the target system.

The vulnerability exists due to a boundary error when executing the NTFS-3G driver with an overly long relative mount point path. A local usre can create directory structure with specially crafted names, trigger heap-based buffer overflow and execute arbitrary code on the target system with elevated privileges.

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

Vulnerable software versions

NTFS-3G: 2015.3.14 - 2017.3.23

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External links
https://usn.ubuntu.com/3914-2/

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.