Ubuntu 20.04 LTS: USN-4396-1 Critical: Libexif Remote DoS

ubuntu

June 16, 2020

Several security issues were fixed in libexif.

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)

Topics Covered

security advisory update DoS remote attack ubuntu sensitive data libexif

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.