[USN-4987-1] ExifTool vulnerability

Paulo Flabiano Smorigo pfsmorigo at canonical.com
Thu Jun 10 21:20:45 UTC 2021


==========================================================================
Ubuntu Security Notice USN-4987-1
June 10, 2021

libimage-exiftool-perl vulnerability
==========================================================================

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

- Ubuntu 21.04
- Ubuntu 20.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

libimage-exiftool-perl could be made to crash if it opened a specially crafted
file.

Software Description:
- libimage-exiftool-perl: library and program to read and write meta information in multime

Details:

It was discovered that ExifTool did not properly sanitize user data for the
DjVu file format. An attacker could use this vulnerability to cause a DoS or
possibly execute arbitrary code.

Update instructions:

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

Ubuntu 21.04:
  libimage-exiftool-perl          12.16+dfsg-1ubuntu0.1

Ubuntu 20.10:
  libimage-exiftool-perl          12.05-1ubuntu0.1

Ubuntu 20.04 LTS:
  libimage-exiftool-perl          11.88-1ubuntu0.1

Ubuntu 18.04 LTS:
  libimage-exiftool-perl          10.80-1ubuntu0.1

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

References:
  https://ubuntu.com/security/notices/USN-4987-1
  CVE-2021-22204

Package Information:
  https://launchpad.net/ubuntu/+source/libimage-exiftool-perl/12.16+dfsg-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/libimage-exiftool-perl/12.05-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/libimage-exiftool-perl/11.88-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/libimage-exiftool-perl/10.80-1ubuntu0.1
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