SB2020042440 - Heap-based buffer overflow in ntfs-3g (Alpine package)
Published: April 24, 2020
Security Bulletin ID
SB2020042440
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Heap-based buffer overflow (CVE-ID: CVE-2019-9755)
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.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=29325147b2d9c9451eb39b96e69b8e9e03e02673
- https://git.alpinelinux.org/aports/commit/?id=67b4ef65d4c4d93a4e554aa8a76f17a3fcabce3e
- https://git.alpinelinux.org/aports/commit/?id=7f77ff08b1808c2c96eabfce32bee810fa1b374c
- https://git.alpinelinux.org/aports/commit/?id=95aea5ceff62cd4a94abdb087564bfe1dbcc468c
- https://git.alpinelinux.org/aports/commit/?id=c9296b6ed26720cdc2083dc0106f4ee40430fc11