USN-4277-1: libexif vulnerabilities

11 February 2020

libexif vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • 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

Liu Bingchang discovered that libexif incorrectly handled certain files. An attacker could possibly use this issue to access sensitive information or cause a denial of service. This issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM and Ubuntu 16.04 LTS. (CVE-2016-6328)

Lili Xu and Bingchang Liu discovered that libexif incorrectly handled certain files. An attacker could possibly use this issue to access sensitive information or cause a denial of service. This issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM and Ubuntu 16.04 LTS. (CVE-2017-7544)

It was discovered that libexif incorrectly handled certain files. An attacker could possibly use this issue to execute arbitrary code. (CVE-2019-9278)

Update instructions

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

Ubuntu 19.10
libexif12 - 0.6.21-5.1ubuntu0.1
Ubuntu 18.04 LTS
libexif12 - 0.6.21-4ubuntu0.1
Ubuntu 16.04 LTS
libexif12 - 0.6.21-2ubuntu0.1
Ubuntu 14.04 ESM
libexif12 - 0.6.21-1ubuntu1+esm1
Ubuntu 12.04 ESM
libexif12 - 0.6.20-2ubuntu0.2

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References