USN-4396-1: libexif vulnerabilities

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

Ubuntu 19.10

Ubuntu 18.04 LTS

Ubuntu 16.04 LTS

Ubuntu 14.04 ESM

libexif12 - 0.6.21-1ubuntu1+esm5

Ubuntu 12.04 ESM

libexif12 - 0.6.20-2ubuntu0.6

To update your system, please follow these instructions: