==========================================================================
Ubuntu Security Notice USN-4396-1
June 16, 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 inputs.
An attacker could possibly use this issue to expose sensitive information.
(CVE-2020-0093, CVE-2020-0182)

It was discovered that libexif incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a remote denial of service.
(CVE-2020-0198)

It was discovered that libexif incorrectly handled certain inputs.
An attacker could possibly use this issue to expose sensitive information or
cause a crash. (CVE-2020-13112)

It was discovered that libexif incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a crash.
(CVE-2020-13113)

It was discovered libexif incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2020-13114)

Update instructions:

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

Ubuntu 20.04 LTS:
libexif12 0.6.21-6ubuntu0.3

Ubuntu 19.10:
libexif12 0.6.21-5.1ubuntu0.5

Ubuntu 18.04 LTS:
libexif12 0.6.21-4ubuntu0.5

Ubuntu 16.04 LTS:
libexif12 0.6.21-2ubuntu0.5

Ubuntu 14.04 ESM:
libexif12 0.6.21-1ubuntu1+esm5

Ubuntu 12.04 ESM:
libexif12 0.6.20-2ubuntu0.6

After a standard system update you need to restart your session to effect the necessary changes.

References:
https://usn.ubuntu.com/4396-1
CVE-2020-0093, CVE-2020-0182, CVE-2020-0198, CVE-2020-13112,
CVE-2020-13113, CVE-2020-13114

Package Information:
https://launchpad.net/ubuntu/+source/libexif/0.6.21-6ubuntu0.3
https://launchpad.net/ubuntu/+source/libexif/0.6.21-5.1ubuntu0.5
https://launchpad.net/ubuntu/+source/libexif/0.6.21-4ubuntu0.5
https://launchpad.net/ubuntu/+source/libexif/0.6.21-2ubuntu0.5
—–BEGIN PGP SIGNATURE—–
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=iXhF
—–END PGP SIGNATURE—–
—