Exploit/Advisories

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Ubuntu Security Notice USN-5711-2
November 03, 2022

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

- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM

Summary:

NTFS-3G could be made to crash or run programs as an administrator
if it mounted a specially crafted disk.

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

Details:

USN-5711-1 fixed a vulnerability in NTFS-3G. This update provides
the corresponding update for Ubuntu 14.04 ESM Ubuntu 16.04 ESM.

Original advisory details:

Yuchen Zeng and Eduardo Vela discovered that NTFS-3G incorrectly validated
certain NTFS metadata. A local attacker could possibly use this issue to
gain privileges.

Update instructions:

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

Ubuntu 16.04 ESM:
ntfs-3g 1:2015.3.14AR.1-1ubuntu0.3+esm4

Ubuntu 14.04 ESM:
ntfs-3g 1:2013.1.13AR.1-2ubuntu2+esm4

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

References:
https://ubuntu.com/security/notices/USN-5711-2
https://ubuntu.com/security/notices/USN-5711-1
CVE-2022-40284

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