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Ubuntu Security Notice USN-4339-1
April 27, 2020
openexr vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 20.04
– 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 Groß 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:
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
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4339-1
CVE-2017-9111, CVE-2017-9113, CVE-2017-9115, CVE-2018-18444,
CVE-2020-11758, CVE-2020-11759, CVE-2020-11760, CVE-2020-11761,
CVE-2020-11762, CVE-2020-11763, CVE-2020-11764, CVE-2020-11765
Package Information:
https://launchpad.net/ubuntu/+source/openexr/2.3.0-6ubuntu0.1
https://launchpad.net/ubuntu/+source/openexr/2.2.1-4.1ubuntu1.1
https://launchpad.net/ubuntu/+source/openexr/2.2.0-11.1ubuntu1.2
https://launchpad.net/ubuntu/+source/openexr/2.2.0-10ubuntu2.2
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