CVE-2019-9755
Publication date 21 March 2019
Last updated 24 July 2024
Ubuntu priority
An integer underflow issue exists in ntfs-3g 2017.3.23. A local attacker could potentially exploit this by running /bin/ntfs-3g with specially crafted arguments from a specially crafted directory to cause a heap buffer overflow, resulting in a crash or the ability to execute arbitrary code. In installations where /bin/ntfs-3g is a setuid-root binary, this could lead to a local escalation of privileges.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| ntfs-3g | ||
| 18.04 LTS bionic |
Fixed 1:2017.3.23-2ubuntu0.18.04.1
|
|
| 16.04 LTS xenial |
Fixed 1:2015.3.14AR.1-1ubuntu0.2
|
|
| 14.04 LTS trusty | Ignored |
Notes
chrisccoulson
This bug only has security implications when ntfs-3g is installed as setuid-root. It's ignored in Ubuntu releases prior to xenial, as it isn't installed as setuid-root in these releases.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
7.0 · High
|
| Attack vector | Local |
| Attack complexity | High |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-3914-1
- NTFS-3G vulnerability
- 21 March 2019