USN-4277-1: libexif vulnerabilities

Releases

• Ubuntu 19.10
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM
• Ubuntu 12.04

Packages

• 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

• libexif12 - 0.6.21-4ubuntu0.1

Ubuntu 16.04

• libexif12 - 0.6.21-2ubuntu0.1

Ubuntu 14.04

• libexif12 - 0.6.21-1ubuntu1+esm1
  Available with Ubuntu Pro

Ubuntu 12.04

• libexif12 - 0.6.20-2ubuntu0.2

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

References

• CVE-2016-6328
• CVE-2017-7544
• CVE-2019-9278