[USN-5705-1] LibTIFF vulnerabilities

[Ian Constantin]

==========================================================================
Ubuntu Security Notice USN-5705-1
October 27, 2022

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

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

- Ubuntu 16.04 ESM

Summary:

Several security issues were fixed in LibTIFF.

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

Details:

Chintan Shah discovered that LibTIFF incorrectly handled memory in
certain conditions. An attacker could trick a user into processing a 
specially crafted image file and potentially use this issue to allow for 
information disclosure or to cause the application to crash.
(CVE-2022-3570)

It was discovered that LibTIFF incorrectly handled memory in certain
conditions. An attacker could trick a user into processing a specially
crafted tiff file and potentially use this issue to cause a denial of 
service. (CVE-2022-3598)

Update instructions:

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

Ubuntu 16.04 ESM:
   libtiff-tools                   4.0.6-1ubuntu0.8+esm6

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

References:
   https://ubuntu.com/security/notices/USN-5705-1
   CVE-2022-3570, CVE-2022-3598
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