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Ubuntu Security Notice USN-5743-2

Ubuntu Security Notice USN-5743-2
Posted Dec 2, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5743-2 - USN-5743-1 fixed a vulnerability in LibTIFF. This update provides the corresponding updates for Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 22.10. It was discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2022-3970
SHA-256 | 2a5192644fb6667f237a50822d8c835fb861dc3345795bd767c605ecbbbc2534

Ubuntu Security Notice USN-5743-2

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-5743-2
December 01, 2022

tiff vulnerability
==========================================================================

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

- Ubuntu 22.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

LibTIFF could be made to crash or run programs as your login if it
opened a specially crafted file.

Software Description:
- tiff: Tag Image File Format (TIFF) library

Details:

USN-5743-1 fixed a vulnerability in LibTIFF. This update provides the
corresponding updates for Ubuntu 18.04 LTS, Ubuntu 20.04 LTS,
Ubuntu 22.04 LTS and Ubuntu 22.10.

Original advisory details:

It was discovered that LibTIFF incorrectly handled certain malformed
images. If a user or automated system were tricked into opening a
specially
crafted image, a remote attacker could crash the application, leading to a
denial of service, or possibly execute arbitrary code with user
privileges.

Update instructions:

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

Ubuntu 22.10:
libtiff-tools 4.4.0-4ubuntu3.2
libtiff5 4.4.0-4ubuntu3.2

Ubuntu 22.04 LTS:
libtiff-tools 4.3.0-6ubuntu0.3
libtiff5 4.3.0-6ubuntu0.3

Ubuntu 20.04 LTS:
libtiff-tools 4.1.0+git191117-2ubuntu0.20.04.7
libtiff5 4.1.0+git191117-2ubuntu0.20.04.7

Ubuntu 18.04 LTS:
libtiff-tools 4.0.9-5ubuntu0.9
libtiff5 4.0.9-5ubuntu0.9

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

References:
https://ubuntu.com/security/notices/USN-5743-2
https://ubuntu.com/security/notices/USN-5743-1
CVE-2022-3970

Package Information:
https://launchpad.net/ubuntu/+source/tiff/4.4.0-4ubuntu3.2
https://launchpad.net/ubuntu/+source/tiff/4.3.0-6ubuntu0.3
https://launchpad.net/ubuntu/+source/tiff/4.1.0+git191117-2ubuntu0.20.04.7
https://launchpad.net/ubuntu/+source/tiff/4.0.9-5ubuntu0.9

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