CVE-2013-20001: High severity openzfs vulnerability

Published Feb 12, 2021
·
Updated

An issue was discovered in OpenZFS through 2.0.3. When an NFS share is exported to IPv6 addresses via the sharenfs feature, there is a silent failure to parse the IPv6 address data, and access is allowed to everyone. IPv6 restrictions from the configuration are not applied.

Affected Software

5 affected componentsFixes available
ubuntu/zfs-linux<0.8.3-1ubuntu12.16
0.8.3-1ubuntu12.16
ubuntu/zfs-linux<2.1.9-2ubuntu1.2
2.1.9-2ubuntu1.2
ubuntu/zfs-linux<2.1.5-1ubuntu6~22.04.2
2.1.5-1ubuntu6~22.04.2
debian/zfs-linux<=0.7.12-2+deb10u2, <=2.0.3-9+deb11u1, <=2.1.11-1
2.2.2-4
OpenZFS OpenZFS<=2.0.3

Event History

Feb 12, 2021
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·08:15 PM
DescriptionSeverityAffected Software
Jan 11, 2024
Data Sourced
via Launchpad·10:47 PM
Description

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the vulnerability CVE-2013-20001?

The vulnerability CVE-2013-20001 is an issue discovered in OpenZFS through version 2.0.3 that allows unauthorized access to an NFS share when exported to IPv6 addresses.

2

How does the vulnerability CVE-2013-20001 affect OpenZFS?

The vulnerability CVE-2013-20001 affects OpenZFS by silently failing to parse IPv6 address data when exporting an NFS share, allowing access to everyone.

3

What is the severity of vulnerability CVE-2013-20001?

The severity of vulnerability CVE-2013-20001 is high with a severity value of 7.5.

4

How can I fix the vulnerability CVE-2013-20001 in OpenZFS?

To fix the vulnerability CVE-2013-20001 in OpenZFS, you should update to a version of OpenZFS that is newer than 2.0.3.

5

Where can I find more information about the vulnerability CVE-2013-20001?

You can find more information about the vulnerability CVE-2013-20001 in the references provided: [Link 1](https://github.com/openzfs/zfs/issues/1894#issuecomment-30693652), [Link 2](https://github.com/openzfs/zfs/releases).

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