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AUSCERT External Security Bulletin Redistribution
ESB-2020.1448
USN-4339-1: OpenEXR vulnerabilities
28 April 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: OpenEXR
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-11765 CVE-2020-11764 CVE-2020-11763
CVE-2020-11762 CVE-2020-11761 CVE-2020-11760
CVE-2020-11759 CVE-2020-11758 CVE-2018-18444
CVE-2017-9115 CVE-2017-9113 CVE-2017-9111
Reference: ESB-2020.0030
ESB-2019.3751
Original Bulletin:
https://usn.ubuntu.com/4339-1/
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USN-4339-1: OpenEXR vulnerabilities
27 April 2020
openexr vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 20.04 LTS
o Ubuntu 19.10
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Summary
Several security issues were fixed in OpenEXR.
Software Description
o 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 GroA 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
o CVE-2017-9111
o CVE-2017-9113
o CVE-2017-9115
o CVE-2018-18444
o CVE-2020-11758
o CVE-2020-11759
o CVE-2020-11760
o CVE-2020-11761
o CVE-2020-11762
o CVE-2020-11763
o CVE-2020-11764
o CVE-2020-11765
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