- Vulnerability/
- USN-4400-1
USN-4400-1: nfs-utils vulnerability
First published: Mon Jun 22 2020(Updated: )
It was discovered that the nfs-utils package set incorrect permissions on the /var/lib/nfs directory. An attacker could possibly use this issue to escalate privileges.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/nfs-common | <1:1.3.4-2.5ubuntu3.3 | 1:1.3.4-2.5ubuntu3.3 |
| Ubuntu | =20.04 | |
| All of | ||
| ubuntu/nfs-common | <1:1.3.4-2.5ubuntu2.1 | 1:1.3.4-2.5ubuntu2.1 |
| Ubuntu | =19.10 | |
| All of | ||
| ubuntu/nfs-common | <1:1.3.4-2.1ubuntu5.3 | 1:1.3.4-2.1ubuntu5.3 |
| Ubuntu | =18.04 | |
| All of | ||
| ubuntu/nfs-common | <1:1.2.8-9ubuntu12.3 | 1:1.2.8-9ubuntu12.3 |
| Ubuntu | =16.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2019-3689
- https://launchpad.net/ubuntu/+source/nfs-utils/1:1.3.4-2.5ubuntu3.3
- https://launchpad.net/ubuntu/+source/nfs-utils/1:1.3.4-2.5ubuntu2.1
- https://launchpad.net/ubuntu/+source/nfs-utils/1:1.3.4-2.1ubuntu5.3
- https://launchpad.net/ubuntu/+source/nfs-utils/1:1.2.8-9ubuntu12.3
- https://ubuntu.com/security/notices/USN-4400-1 (Advisory)
Frequently Asked Questions
What is the severity of USN-4400-1?
USN-4400-1 is considered a high-severity vulnerability due to potential privilege escalation risks.
How do I fix USN-4400-1?
To fix USN-4400-1, update the nfs-utils package to the recommended version for your Ubuntu distribution.
What versions of nfs-common are affected by USN-4400-1?
USN-4400-1 affects nfs-common versions prior to 1:1.3.4-2.5ubuntu3.3 for Ubuntu 20.04, before 1:1.3.4-2.5ubuntu2.1 for Ubuntu 19.10, and others as specified in the advisory.
What directories are involved in the USN-4400-1 vulnerability?
The vulnerability in USN-4400-1 involves incorrect permissions on the /var/lib/nfs directory.
Can USN-4400-1 lead to data breaches?
Yes, USN-4400-1 can potentially lead to privilege escalation, which may result in unauthorized access to sensitive data.
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