==========================================================================
Ubuntu Security Notice USN-4624-1
November 10, 2020
libexif vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 20.10
– Ubuntu 20.04 LTS
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS
– Ubuntu 14.04 ESM
– Ubuntu 12.04 ESM
Summary:
libexif could be made to execute arbitrary code if it received a specially
crafted input.
Software Description:
– libexif: library to parse EXIF files
Details:
It was discovered that libexif incorrectly handled certain inputs.
An attacker could possibly use this issue to cause unexpected behaviours,
or execute arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 20.10:
libexif12 0.6.22-2ubuntu0.1
Ubuntu 20.04 LTS:
libexif12 0.6.21-6ubuntu0.4
Ubuntu 18.04 LTS:
libexif12 0.6.21-4ubuntu0.6
Ubuntu 16.04 LTS:
libexif12 0.6.21-2ubuntu0.6
Ubuntu 14.04 ESM:
libexif12 0.6.21-1ubuntu1+esm6
Ubuntu 12.04 ESM:
libexif12 0.6.20-2ubuntu0.7
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4624-1
CVE-2020-0452
Package Information:
https://launchpad.net/ubuntu/+source/libexif/0.6.22-2ubuntu0.1
https://launchpad.net/ubuntu/+source/libexif/0.6.21-6ubuntu0.4
https://launchpad.net/ubuntu/+source/libexif/0.6.21-4ubuntu0.6
https://launchpad.net/ubuntu/+source/libexif/0.6.21-2ubuntu0.6
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