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Ubuntu Security Notice USN-4158-1

Ubuntu Security Notice USN-4158-1
Posted Oct 17, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4158-1 - 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-2019-14973
SHA-256 | 373a963e3025d30c5f7fd26f001b10fe713c91bd5bbf43d4b28e38964814e3c6

Ubuntu Security Notice USN-4158-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4158-1
October 17, 2019

tiff vulnerabilities
==========================================================================

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

- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in LibTIFF.

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

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 19.04:
libtiff-tools 4.0.10-4ubuntu0.1
libtiff5 4.0.10-4ubuntu0.1

Ubuntu 18.04 LTS:
libtiff-tools 4.0.9-5ubuntu0.3
libtiff5 4.0.9-5ubuntu0.3

Ubuntu 16.04 LTS:
libtiff-tools 4.0.6-1ubuntu0.7
libtiff5 4.0.6-1ubuntu0.7

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

References:
https://usn.ubuntu.com/4158-1
CVE-2019-14973, CVE-2019-17546

Package Information:
https://launchpad.net/ubuntu/+source/tiff/4.0.10-4ubuntu0.1
https://launchpad.net/ubuntu/+source/tiff/4.0.9-5ubuntu0.3
https://launchpad.net/ubuntu/+source/tiff/4.0.6-1ubuntu0.7
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