USN-4339-1: OpenEXR vulnerabilities

27 April 2020

openexr 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

Summary

Several security issues were fixed in OpenEXR.

Software Description

  • openexr - tools for the OpenEXR image format

Details

Brandon Perry discovered that OpenEXR incorrectly handled certain malformed EXR image files. If a user were tricked into opening a crafted EXR image file, a remote attacker could cause a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 20.04 LTS. (CVE-2017-9111, CVE-2017-9113, CVE-2017-9115)

Tan Jie discovered that OpenEXR incorrectly handled certain malformed EXR image files. If a user were tricked into opening a crafted EXR image file, a remote attacker could cause a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 20.04 LTS. (CVE-2018-18444)

Samuel GroƟ discovered that OpenEXR incorrectly handled certain malformed EXR image files. If a user were tricked into opening a crafted EXR image file, a remote attacker could cause a denial of service, or possibly execute arbitrary code. (CVE-2020-11758, CVE-2020-11759, CVE-2020-11760, CVE-2020-11761, CVE-2020-11762, CVE-2020-11763, CVE-2020-11764)

It was discovered that OpenEXR incorrectly handled certain malformed EXR image files. If a user were tricked into opening a crafted EXR image file, a remote attacker could cause a denial of service. (CVE-2020-11765)

Update instructions

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

Ubuntu 20.04 LTS
libopenexr24 - 2.3.0-6ubuntu0.1
openexr - 2.3.0-6ubuntu0.1
Ubuntu 19.10
libopenexr23 - 2.2.1-4.1ubuntu1.1
openexr - 2.2.1-4.1ubuntu1.1
Ubuntu 18.04 LTS
libopenexr22 - 2.2.0-11.1ubuntu1.2
openexr - 2.2.0-11.1ubuntu1.2
Ubuntu 16.04 LTS
libopenexr22 - 2.2.0-10ubuntu2.2
openexr - 2.2.0-10ubuntu2.2

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

In general, a standard system update will make all the necessary changes.

References