-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2022.2399
                    USN-5421-1: LibTIFF vulnerabilities
                                17 May 2022

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

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           LibTIFF
Publisher:         Ubuntu
Operating System:  Ubuntu
Resolution:        Patch/Upgrade
CVE Names:         CVE-2022-0891 CVE-2022-0865 CVE-2022-0562
                   CVE-2022-0561 CVE-2020-35522 

Original Bulletin: 
   https://ubuntu.com/security/notices/USN-5421-1

Comment: CVSS (Max):  7.1 CVE-2022-0891 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H)
         CVSS Source: NVD
         Calculator:  https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

- --------------------------BEGIN INCLUDED TEXT--------------------

USN-5421-1: LibTIFF vulnerabilities
16 May 2022

Several security issues were fixed in LibTIFF.
Releases

  o Ubuntu 21.10
  o Ubuntu 20.04 LTS
  o Ubuntu 18.04 LTS
  o Ubuntu 16.04 ESM
  o Ubuntu 14.04 ESM

Packages

  o tiff - Tag Image File Format (TIFF) library

Details

It was discovered that LibTIFF incorrectly handled certain images.
An attacker could possibly use this issue to cause a crash,
resulting in a denial of service. This issue only affects
Ubuntu 14.04 ESM, Ubuntu 16.04 ESM, Ubuntu 18.04 LTS and
Ubuntu 20.04 LTS. ( CVE-2020-35522 )

Chintan Shah discovered that LibTIFF incorrectly handled memory when
handling certain images. An attacker could possibly use this issue to
cause a crash, resulting in a denial of service, or possibly execute
arbitrary code. ( CVE-2022-0561 , CVE-2022-0562 , CVE-2022-0891 )

It was discovered that LibTIFF incorrectly handled certain images.
An attacker could possibly use this issue to cause a crash,
resulting in a denial of service. This issue only affects
Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 21.10. ( CVE-2022-0865 )

Update instructions

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

Ubuntu 21.10

  o libtiff5 - 4.3.0-1ubuntu0.1
  o libtiff-tools - 4.3.0-1ubuntu0.1

Ubuntu 20.04

  o libtiff5 - 4.1.0+git191117-2ubuntu0.20.04.3
  o libtiff-tools - 4.1.0+git191117-2ubuntu0.20.04.3

Ubuntu 18.04

  o libtiff5 - 4.0.9-5ubuntu0.5
  o libtiff-tools - 4.0.9-5ubuntu0.5

Ubuntu 16.04

  o libtiff5 - 4.0.6-1ubuntu0.8+esm1
    Available with UA Infra or UA Desktop
  o libtiff-tools - 4.0.6-1ubuntu0.8+esm1
    Available with UA Infra or UA Desktop

Ubuntu 14.04

  o libtiff5 - 4.0.3-7ubuntu0.11+esm1
    Available with UA Infra or UA Desktop
  o libtiff-tools - 4.0.3-7ubuntu0.11+esm1
    Available with UA Infra or UA Desktop

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

References

  o CVE-2022-0891
  o CVE-2022-0562
  o CVE-2022-0561
  o CVE-2020-35522
  o CVE-2022-0865

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        https://www.auscert.org.au/bulletins/

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: https://auscert.org.au/gpg-key/
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=9Cij
-----END PGP SIGNATURE-----