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Ubuntu Security Notice USN-3914-2

Ubuntu Security Notice USN-3914-2
Posted Apr 17, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3914-2 - USN-3914-1 fixed vulnerabilities in NTFS-3G. As an additional hardening measure, this update removes the setuid bit from the ntfs-3g binary. A heap buffer overflow was discovered in NTFS-3G when executing it with a relative mount point path that is too long. A local attacker could potentially exploit this to execute arbitrary code as the administrator. Various other issues were also addressed.

tags | advisory, overflow, arbitrary, local, vulnerability
systems | linux, ubuntu
MD5 | 638dfeb13e7ed7bedc1821f142a0ea35

Ubuntu Security Notice USN-3914-2

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3914-2
April 17, 2019

ntfs-3g update
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

A hardening measure was added to NTFS-3G.

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

Details:

USN-3914-1 fixed vulnerabilities in NTFS-3G. As an additional hardening
measure, this update removes the setuid bit from the ntfs-3g binary.

Original advisory details:

A heap buffer overflow was discovered in NTFS-3G when executing it with a
relative mount point path that is too long. A local attacker could
potentially exploit this to execute arbitrary code as the administrator.

Update instructions:

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

Ubuntu 18.10:
ntfs-3g 1:2017.3.23-2ubuntu0.18.10.2

Ubuntu 18.04 LTS:
ntfs-3g 1:2017.3.23-2ubuntu0.18.04.2

Ubuntu 16.04 LTS:
ntfs-3g 1:2015.3.14AR.1-1ubuntu0.3

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

References:
https://usn.ubuntu.com/usn/usn-3914-2
https://usn.ubuntu.com/usn/usn-3914-1
https://launchpad.net/bugs/1821250

Package Information:
https://launchpad.net/ubuntu/+source/ntfs-3g/1:2017.3.23-2ubuntu0.18.10.2
https://launchpad.net/ubuntu/+source/ntfs-3g/1:2017.3.23-2ubuntu0.18.04.2
https://launchpad.net/ubuntu/+source/ntfs-3g/1:2015.3.14AR.1-1ubuntu0.3

Comments (1)

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iosman

A heap buffer overflow was discovered in NTFS-3G when executing it with a relative mount point path that is too long, Written very well, Really like your blog.

notepadformac.co
panda-helper.co

Comment by iosman
2019-04-18 15:39:02 UTC | Permalink | Reply
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