Exploit/Advisories

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Ubuntu Security Notice USN-5463-1
June 07, 2022

ntfs-3g vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS
- Ubuntu 21.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in ntfs-3g.

Software Description:
- ntfs-3g: read/write NTFS driver for FUSE

Details:

It was discovered that NTFS-3G incorrectly handled the ntfsck tool. If a
user or automated system were tricked into using ntfsck on a specially
crafted disk image, a remote attacker could possibly use this issue to
execute arbitrary code. (CVE-2021-46790)

Roman Fiedler discovered that NTFS-3G incorrectly handled certain return
codes. A local attacker could possibly use this issue to intercept
protocol traffic between FUSE and the kernel. (CVE-2022-30783)

It was discovered that NTFS-3G incorrectly handled certain NTFS disk
images. If a user or automated system were tricked into mounting a
specially crafted disk image, a remote attacker could use this issue to
cause a denial of service, or possibly execute arbitrary code.
(CVE-2022-30784, CVE-2022-30786, CVE-2022-30788, CVE-2022-30789)

Roman Fiedler discovered that NTFS-3G incorrectly handled certain file
handles. A local attacker could possibly use this issue to read and write
arbitrary memory. (CVE-2022-30785, CVE-2022-30787)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.04 LTS:
ntfs-3g 1:2021.8.22-3ubuntu1.1

Ubuntu 21.10:
ntfs-3g 1:2017.3.23AR.3-3ubuntu5.1

Ubuntu 20.04 LTS:
ntfs-3g 1:2017.3.23AR.3-3ubuntu1.2

Ubuntu 18.04 LTS:
ntfs-3g 1:2017.3.23-2ubuntu0.18.04.4

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-5463-1
CVE-2021-46790, CVE-2022-30783, CVE-2022-30784, CVE-2022-30785,
CVE-2022-30786, CVE-2022-30787, CVE-2022-30788, CVE-2022-30789

Package Information:
https://launchpad.net/ubuntu/+source/ntfs-3g/1:2021.8.22-3ubuntu1.1
https://launchpad.net/ubuntu/+source/ntfs-3g/1:2017.3.23AR.3-3ubuntu5.1
https://launchpad.net/ubuntu/+source/ntfs-3g/1:2017.3.23AR.3-3ubuntu1.2
https://launchpad.net/ubuntu/+source/ntfs-3g/1:2017.3.23-2ubuntu0.18.04.4

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