=========================================================================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
