==========================================================================
Ubuntu Security Notice USN-4358-1
May 13, 2020
libexif vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 20.04 LTS
– Ubuntu 19.10
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS
– Ubuntu 14.04 ESM
– Ubuntu 12.04 ESM
Summary:
Several security issues were fixed in libexif.
Software Description:
– libexif: library to parse EXIF files
Details:
It was discovered that libexif incorrectly handled certain tags.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2018-20030)
It was discovered that libexif incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a crash.
(CVE-2020-12767)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 20.04 LTS:
libexif12 0.6.21-6ubuntu0.1
Ubuntu 19.10:
libexif12 0.6.21-5.1ubuntu0.2
Ubuntu 18.04 LTS:
libexif12 0.6.21-4ubuntu0.2
Ubuntu 16.04 LTS:
libexif12 0.6.21-2ubuntu0.2
Ubuntu 14.04 ESM:
libexif12 0.6.21-1ubuntu1+esm2
Ubuntu 12.04 ESM:
libexif12 0.6.20-2ubuntu0.3
After a standard system update you need to restart your session to
effect the necessary changes.
References:
https://usn.ubuntu.com/4358-1
CVE-2018-20030, CVE-2020-12767
Package Information:
https://launchpad.net/ubuntu/+source/libexif/0.6.21-6ubuntu0.1
https://launchpad.net/ubuntu/+source/libexif/0.6.21-5.1ubuntu0.2
https://launchpad.net/ubuntu/+source/libexif/0.6.21-4ubuntu0.2
https://launchpad.net/ubuntu/+source/libexif/0.6.21-2ubuntu0.2
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