[USN-5043-1] Exiv2 vulnerabilities

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-5043-1
August 17, 2021

exiv2 vulnerabilities
==========================================================================

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

- Ubuntu 21.04
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM

Summary:

Several security issues were fixed in Exiv2.

Software Description:
- exiv2: EXIF/IPTC/XMP metadata manipulation tool

Details:

It was discovered that Exiv2 incorrectly handled certain image files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2021-32815, CVE-2021-34334, CVE-2021-37620, CVE-2021-37622)

It was discovered that Exiv2 incorrectly handled certain image files.
An attacker could possibly use this issue to cause a denial of service.
These issues only affected Ubuntu 20.04 LTS and Ubuntu 21.04.
(CVE-2021-34335, CVE-2021-37615, CVE-2021-37616, CVE-2021-37618,
CVE-2021-37619, CVE-2021-37621, CVE-2021-37623)

Update instructions:

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

Ubuntu 21.04:
  libexiv2-27                     0.27.3-3ubuntu1.5

Ubuntu 20.04 LTS:
  libexiv2-27                     0.27.2-8ubuntu2.6

Ubuntu 18.04 LTS:
  libexiv2-14                     0.25-3.1ubuntu0.18.04.11

Ubuntu 16.04 ESM:
  libexiv2-14                     0.25-2.1ubuntu16.04.7+esm4

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

References:
  https://ubuntu.com/security/notices/USN-5043-1
  CVE-2021-32815, CVE-2021-34334, CVE-2021-34335, CVE-2021-37615,
  CVE-2021-37616, CVE-2021-37618, CVE-2021-37619, CVE-2021-37620,
  CVE-2021-37621, CVE-2021-37622, CVE-2021-37623

Package Information:
  https://launchpad.net/ubuntu/+source/exiv2/0.27.3-3ubuntu1.5
  https://launchpad.net/ubuntu/+source/exiv2/0.27.2-8ubuntu2.6
  https://launchpad.net/ubuntu/+source/exiv2/0.25-3.1ubuntu0.18.04.11
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